Patent US1976253A successfully refreshed from Google Patents.
Patent US1943534A successfully refreshed from Google Patents.
US1943534A
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Assignee: Individual
•
Filing: 1932-05-04
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Granted: 1934-01-16
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Expires: 1952-05-04
Abstract
No abstract record available.
Inventors
- 👤 Sergy N Koulichkov
- 👤 John J Drabin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
B; B60; B60W; B60W30/00; B60W30/18; B60W30/18181; B60W10/00; B60W10/02; B60W10/04; B60W10/06; B60W2520/00; B60W2520/10; B60W2540/00; B60W2540/10; B60W2540/12; B60W2710/00; B60W2710/02; B60W2710/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-01-15 | 1937-07-17 | 1938-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-15 | 1941-07-17 | 1942-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-15 | 1945-07-17 | 1946-01-16 | $7700.00 | Window Closed / Lapsed |