US3249959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiper blade with embedded heating element
Assignee: Individual
•
Filing: 1963-12-27
•
Granted: 1966-05-10
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Dana L Theckston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:43
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
IN A HEATED WINDSHIELD WIPER ASSEMBLY HAVING A HEAT RESISTANT FLEXIBLE BLADE ELEMENT AND A CONDUCTIVE, RIGID BLADE HOLDER, ELECTRICAL HEATING MEANS EMBEDDED IN THE BLADE ELEMENT SPACED FROM THE HOLDER; COMPRISING, HEAT DISTRIBUTING MEANS, FOLDED RESISTANCE MEANS EXTENDING THROUGH SAID HEAT DISTRIBUTING MEANS IN NON-CONDUCTIVE RELATION THERETO, AND COUPLING MEANS EMBEDDED IN THE BLADE ELEMENT FOR ESTABLISHING ELEMENT CONNECTIONS BETWEEN THE RESISTANCE MEANS, THE BLADE HOLDER AND A SOURCE OF ELECTRICAL ENERGY.
References Cited (Backward Citations)
US2733472A
Cited
US1622416A
Cited
US1873118A
Cited
US2635168A
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US2715674A
Cited
US2721351A
Cited
US2871329A
Cited
US2844696A
Cited
US2923022A
Cited
US3056011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |