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| (12) Patent Application: | (11) CA 3051115 |
|---|---|
| (54) English Title: | FLEXIBLE HELICAL HEATER |
| (54) French Title: | DISPOSITIF DE CHAUFFAGE HELICOIDAL FLEXIBLE |
| Status: | Dead |
| (51) International Patent Classification (IPC): |
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| (72) Inventors : |
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| (73) Owners : |
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| (71) Applicants : |
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| (74) Agent: | LAVERY, DE BILLY, LLP |
| (74) Associate agent: | |
| (45) Issued: | |
| (86) PCT Filing Date: | 2018-01-19 |
| (87) Open to Public Inspection: | 2019-07-25 |
| Availability of licence: | N/A |
| (25) Language of filing: | English |
| Patent Cooperation Treaty (PCT): | Yes |
|---|---|
| (86) PCT Filing Number: | PCT/US2018/014472 |
| (87) International Publication Number: | WO2019/143355 |
| (85) National Entry: | 2019-07-19 |
| (30) Application Priority Data: | None |
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A heater having a helical electrical resistance heating wire connected to and coiled around a current return wire. The heater is employed in thermal conduction heater wells used for removing contaminants from soil, groundwater or rock.
L'invention concerne un dispositif de chauffage comprenant un fil chauffant à résistance électrique hélicoïdale connecté à un fil de retour de courant et enroulé autour de celui-ci. Le dispositif de chauffage est utilisé dans des puits de chauffage à conduction thermique utilisés pour éliminer des contaminants à partir du sol, de l'eau souterraine ou de la roche.
Note: Claims are shown in the official language in which they were submitted.
Sorry, the claims for patent document number 3051115 were not found.
Text is not available for all patent documents. The current dates of coverage are on the
Currency of Information
page
Note: Descriptions are shown in the official language in which they were submitted.
Sorry, the description for patent document number 3051115 was not found. Text is not available for all patent documents. The current dates of coverage are on the Currency of Information page
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Administrative Status , Maintenance Fee and Payment History should be consulted.
| Title | Date |
|---|---|
| Forecasted Issue Date | Unavailable |
| (86) PCT Filing Date | 2018-01-19 |
| (85) National Entry | 2019-07-19 |
| (87) PCT Publication Date | 2019-07-25 |
| Dead Application | 2022-07-19 |
| Abandonment Date | Reason | Reinstatement Date |
|---|---|---|
| 2021-07-19 | FAILURE TO PAY APPLICATION MAINTENANCE FEE |
| Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
|---|---|---|---|---|
| Application Fee | $400.00 | 2019-07-19 | ||
| Registration of a document - section 124 | $100.00 | 2019-07-30 | ||
| Maintenance Fee - Application - New Act | 2 | 2020-01-20 | $100.00 | 2020-01-10 |
Note: Records showing the ownership history in alphabetical order.
| Current Owners on Record |
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| TRS GROUP, INC. |
| Past Owners on Record |
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| None |
