US2825774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: AB Chance Co
•
Filing: 1954-08-11
•
Granted: 1958-03-04
•
Expires: 1974-08-11
Abstract
No abstract record available.
Inventors
- 👤 Ronald P Bridges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:58
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/26; H01H31/28; H01H33/00; H01H33/02; H01H33/04; H01H33/12; H01H33/121; H01H33/123; H01H33/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863405A
Cited
US2227925A
Cited
US2688667A
Cited
US2699482A
Cited
US2673903A
Cited
US2709739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |