US2810893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: COQ NV
•
Filing: 1955-04-26
•
Granted: 1957-10-22
•
Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 Nijland Hendrik A Hidde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:54
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/111; H01H; H01H1/00; H01H1/12; H01H1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |