US1943791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: DIAMOND CHAIN AND MANUFACTURING Co
•
Filing: 1930-12-19
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Granted: 1934-01-16
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Expires: 1950-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gallamore Oliver Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:10
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/54
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 |