US2746077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-heated windshield wiper
Assignee: Individual
•
Filing: 1952-05-31
•
Granted: 1956-05-22
•
Expires: 1972-05-31
Abstract
No abstract record available.
Inventors
- 👤 Richard L Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:24
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805; B60S2001/3812; B60S2001/3817; B60S2001/3818; B60S2001/382
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1733948A
Cited
US1845465A
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US1833307A
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US2089357A
Cited
US2153544A
Cited
US2427502A
Cited
US2500010A
Cited
US2550504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |