US2789173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap acting mechanism
Assignee: Penn Controls Inc
•
Filing: 1955-08-01
•
Granted: 1957-04-16
•
Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 Oscar H Kaminky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:31
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/38; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/18904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2275642A
Cited
US2363280A
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US2359075A
Cited
US2418222A
Cited
US2511526A
Cited
US2627754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |