US2873010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: Worthington Corp
•
Filing: 1954-04-20
•
Granted: 1959-02-10
•
Expires: 1974-04-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Alma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:33
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; F16D25/00; F16D25/04; F16D25/042; F16D25/046; F16D3/80; F16D3/82; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1216; Y10T279/1224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790516A
Cited
US1649426A
Cited
US2003322A
Cited
US2114570A
Cited
US2338476A
Cited
US2237864A
Cited
GB554761A
Cited
US2386478A
Cited
US2556624A
Cited
US2742769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |