Patent US2839314A successfully refreshed from Google Patents.
US2839314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick detachable coupler
Assignee: Snap Tite Inc
•
Filing: 1954-06-08
•
Granted: 1958-06-17
•
Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 Malcolm S Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:07
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/22; F16L37/23; F16L37/28; F16L37/30; F16L37/32; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2083584A
Cited
US2278580A
Cited
US2263750A
Cited
US2413730A
Cited
US2425500A
Cited
US2457251A
Cited
US2441075A
Cited
US2453480A
Cited
US2543590A
Cited
US2638914A
Cited
US2648548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |