US2932179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Couplings
Assignee: Vinters Armstrongs Ltd
•
Filing: 1958-06-25
•
Granted: 1960-04-12
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Andrew C Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:10
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/64; F16D3/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1780727A
Cited
US1803937A
Cited
US2127942A
Cited
US2318039A
Cited
US2621493A
Cited
US2844012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |