US2551735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: INDUSTRIAL MACHINE WORKS Inc
•
Filing: 1945-04-25
•
Granted: 1951-05-08
•
Expires: 1965-04-25
Abstract
No abstract record available.
Inventors
- 👤 James W Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/006; F16D; F16D3/00; F16D3/16; F16D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |