US3480310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick detachable coupling
Assignee: Boeing North American Inc
•
Filing: 1967-09-29
•
Granted: 1969-11-25
•
Expires: 1987-09-29
Abstract
No abstract record available.
Inventors
- 👤 John C Mcelwain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:15
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; F16D1/108; F16D1/116; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/387; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/591; Y10T403/592
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1376384A
Cited
US2135223A
Cited
US2948559A
Cited
US3083042A
Cited
US3260541A
Cited
US3252721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |