US2499712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid releasable coupling
Assignee: Individual
•
Filing: 1947-02-21
•
Granted: 1950-03-07
•
Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 Armstrong Fullerton Geo Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:20
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/02; B64D1/04; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45497; Y10T292/00; Y10T292/42; Y10T292/444; Y10T403/00; Y10T403/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |