US3113284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical heater terminal and connector seals and methods of making the same
Assignee: Cutler Hammer Inc
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Filing: 1960-10-06
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Granted: 1963-12-03
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 John Van Inthoudt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:28
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/02; H05B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN AN ELECTRICAL HEATER OF THE TUBULAR TYPE HAVING A TUBULAR SHEATH PROVIDED WITH AN OPEN END, A RESISTANCE CONDUCTOR WITHIN SAID SHEATH, A TERMINAL EXTENDING THROUGH AND BEYOND SAID OPEN END, AND ELECTRICALLY INSULATING HEAT CONDUCTING MATERIAL WITHIN SAID SHEATH FOR INSULTAING SAID CONDUCTOR AND SAID TERMINAL FROM SAID SHEATH, THE IMPROVEMENT COMPRISING A HEAT AND MOISTURE RESISTANT SEAL ONTHE END OF SAID HEATER, SAID SEAL COMPRISING A SOLID EPOXY MEMBER ON THE END OF SAID SHEATH AND SOLIFIFIED LIQUID EPOXY SECURING SAID MEMBER TO THE END OF SAID SHEATH TO SEAL THE OPENING IN THE END OF SAID SHEATH.
Claim 2
Dependent Claim
101 words
IN AN ELECTRICAL HEATER OF THE TUBULAR TYPE HAVING A TUBULAR SHEATH PROVIDED WITH AN OPEN END, A RESISTANCE CONDUCTOR WITHIN SAID SHEATH, A TERMINAL EXTENDING THROUGH AND BEYOND SAID OPEN END, AND ELECTRICALLY INSULATING HEAT CONDUCTING MATERIAL WITHIN SAID SHEATH FOR INSULTAING SAID CONDUCTOR AND SAID TERMINAL FROM SAID SHEATH, THE IMPROVEMENT COMPRISING A HEAT AND MOISTURE RESISTANT SEAL ONTHE END OF SAID HEATER, SAID SEAL COMPRISING A SOLID EPOXY MEMBER ON THE END OF SAID SHEATH AND SOLIFIFIED LIQUID EPOXY SECURING SAID MEMBER TO THE END OF SAID SHEATH TO SEAL THE OPENING IN THE END OF SAID SHEATH.
References Cited (Backward Citations)
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Cited
US2489998A
Cited
GB813901A
Cited
US2800560A
Cited
US2904618A
Cited
US2862088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |