US1577575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: Individual
•
Filing: 1923-01-16
•
Granted: 1926-03-23
•
Expires: 1943-01-16
Abstract
No abstract record available.
Inventors
- 👤 Herman R Geiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:55
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D3/00; F16D3/16; F16D3/20; F16D3/202; F16D3/205; F16D3/2052; F16D3/22; F16D3/223; F16D2003/22313
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) | 1929-03-22 | 1929-09-21 | 1930-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-22 | 1933-09-21 | 1934-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-22 | 1937-09-21 | 1938-03-23 | $7700.00 | Window Closed / Lapsed |