US2911834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push button mechanism
Assignee: Oak Manufacturing Co
•
Filing: 1958-02-27
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Granted: 1959-11-10
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Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Edward J Mastney
- 👤 John H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:08
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; G; G05; G05G; G05G5/00; G05G5/06; G05G2700/00; G05G2700/04; G05G2700/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US766865A
Cited
US1257062A
Cited
US1695178A
Cited
US2471568A
Cited
US2459255A
Cited
US2848900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |