US2650836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing pad unit for automobile steering wheels
Assignee: Individual
•
Filing: 1950-06-30
•
Granted: 1953-09-01
•
Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 Berman Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:07
CPC Classifications
B; B62; B62D; B62D1/00; B62D1/02; B62D1/04; B62D1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US511031A
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US1875543A
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US1279820A
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US1450446A
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US1791325A
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US1745255A
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US1838711A
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US2054459A
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US2142103A
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US2258685A
Cited
US2501079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |