Patent US3108175A successfully refreshed from Google Patents.
US3108175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated fabrics
Assignee: Essex Wire Corp
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Filing: 1961-12-18
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Granted: 1963-10-22
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 John D Zartman
- 👤 Gordon R Dolan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:34
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/014; H05B2203/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN AN ELECTRICALLY HEATED FABRIC COMPRISING A TWOLAYER MEMBER INCLUDING A HEATED AREA HAVING A SERIES OF DIVIDERS SPACED ACROSS THE WIDTH OF SAID HEATED AREA AND EXTENDING IN THE DIRECTION OF THE LENGTH THEREOF TO DEFINE A PLURALITY OF CHANNELS, A HEATING ELEMENT THREADED IN SAID CHANNELS AND INCLUDING A HEATING WIRE AND A PLURALITY OF THERMOSTAT SWITCHES LARGER IN SIZE THAN SAID HEATING WIRE; THE IMPROVEMENT COMPRISING: (A) A CONNECTING LENGTH OF SAID HEATING WIRE HAVING A LOOP EXTENDING ABOUT THE END OF ONE OF SAID DIVIDERS INTO ADJACENT FIRST AND SECOND CHANNELS; (B) TWO OF SAID THERMOSTAT SWITCHES BEING CONNECTED IN SERIES CIRCUIT BY SAID CONNECTING LENGTH OF HEATING WIRE AND POSITIONED, RESPECTIVELY, IN SAID FIRST AND SECOND CHANNELS AT SUBSTANTIALLY DIFFERENT DISTANCES FROM SAID END OF SAID ONE DIVIDER; (C) A LINE OF STITCHING SPACED FROM SAID END OF SAID
Claim 2
Dependent Claim
144 words
IN AN ELECTRICALLY HEATED FABRIC COMPRISING A TWOLAYER MEMBER INCLUDING A HEATED AREA HAVING A SERIES OF DIVIDERS SPACED ACROSS THE WIDTH OF SAID HEATED AREA AND EXTENDING IN THE DIRECTION OF THE LENGTH THEREOF TO DEFINE A PLURALITY OF CHANNELS, A HEATING ELEMENT THREADED IN SAID CHANNELS AND INCLUDING A HEATING WIRE AND A PLURALITY OF THERMOSTAT SWITCHES LARGER IN SIZE THAN SAID HEATING WIRE; THE IMPROVEMENT COMPRISING: (A) A CONNECTING LENGTH OF SAID HEATING WIRE HAVING A LOOP EXTENDING ABOUT THE END OF ONE OF SAID DIVIDERS INTO ADJACENT FIRST AND SECOND CHANNELS; (B) TWO OF SAID THERMOSTAT SWITCHES BEING CONNECTED IN SERIES CIRCUIT BY SAID CONNECTING LENGTH OF HEATING WIRE AND POSITIONED, RESPECTIVELY, IN SAID FIRST AND SECOND CHANNELS AT SUBSTANTIALLY DIFFERENT DISTANCES FROM SAID END OF SAID ONE DIVIDER; (C) A LINE OF STITCHING SPACED FROM SAID END OF 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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |