US2536141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-action mechanism
Assignee: Individual
•
Filing: 1945-01-24
•
Granted: 1951-01-02
•
Expires: 1965-01-24
Abstract
No abstract record available.
Inventors
- 👤 Edward A Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:28
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/14; G; G05; G05G; G05G25/00; G05G2700/00; G05G2700/12; G05G2700/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US905426A
Cited
US1480942A
Cited
US1770912A
Cited
US1768625A
Cited
US1932736A
Cited
US2111424A
Cited
US2201498A
Cited
US2339421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |