Patent US2923022A successfully refreshed from Google Patents.
US2923022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated windshield wiper blade
Assignee: Individual
•
Filing: 1957-11-12
•
Granted: 1960-02-02
•
Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Dana L Theckston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:42
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US946779A
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US1611749A
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US1622416A
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US1640886A
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US1694390A
Cited
US1768727A
Cited
US2047231A
Cited
US2433239A
Cited
US2536940A
Cited
US2627011A
Cited
US2786224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |