US3268846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating tape
Assignee: Templeton Coal Co
•
Filing: 1963-08-26
•
Granted: 1966-08-23
•
Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Glen H Morey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/56; H05B3/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A FLEXIBLE ELECTRICAL HEATING TAPE COMPRISING; TWO PAIRS OF RIBBON-LIKE ELECTRICAL RESISTANCE HEATING ELEMENTS ARRANGEED IN LATERALLY SPACED PARALLEL RELATIONSHIP TO EACH OTHER, A BODY A FLUID IMPERVIOUS FLEXIBLE PLASTIC INSULATING MATERIAL SURROUNDING SAID ELEMENTS AND ADHERED THERETO TO FORM AN ENCLOSURE THEREABOUT WHILE EXPOSING THE EXTREME ENDS OF SAID HEATING ELEMENTS, EACH SAID PAIR OF ELEMENTS HAVING THEIR ONE ADJACENT ENDS ELECTRICALLY INTERCONNECTED AND HAVING INDIVIDUAL ELECTRIC TERMINALS CONNECTED WITH THE OTHER ENDS, AND INSULATING CAPS FOR EACH END OF SAID PAIRS OF ELEMENTS TAPE SEALINGLY ENGAGING SAID
Claim 2
Dependent Claim
89 words
A FLEXIBLE ELECTRICAL HEATING TAPE COMPRISING; TWO PAIRS OF RIBBON-LIKE ELECTRICAL RESISTANCE HEATING ELEMENTS ARRANGEED IN LATERALLY SPACED PARALLEL RELATIONSHIP TO EACH OTHER, A BODY A FLUID IMPERVIOUS FLEXIBLE PLASTIC INSULATING MATERIAL SURROUNDING SAID ELEMENTS AND ADHERED THERETO TO FORM AN ENCLOSURE THEREABOUT WHILE EXPOSING THE EXTREME ENDS OF SAID HEATING ELEMENTS, EACH SAID PAIR OF ELEMENTS HAVING THEIR ONE ADJACENT ENDS ELECTRICALLY INTERCONNECTED AND HAVING INDIVIDUAL ELECTRIC TERMINALS CONNECTED WITH THE OTHER ENDS, AND INSULATING CAPS FOR EACH END OF SAID PAIRS OF ELEMENTS TAPE SEALINGLY ENGAGING SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |