US3243213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling device
Assignee: Austin Hoy and Co Ltd
•
Filing: 1963-07-08
•
Granted: 1966-03-29
•
Expires: 1983-07-08
Abstract
No abstract record available.
Inventors
- 👤 Sidney E Proctor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:14
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/108; F16D1/112; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/599
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190716257A
Cited
US1124108A
Cited
US1202601A
Cited
US2092116A
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US2190081A
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US2352728A
Cited
US2546387A
Cited
US2851295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |