US2978555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: SWITCHLOCK Inc
•
Filing: 1959-01-12
•
Granted: 1961-04-04
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jones Edward Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:45
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/023; H01H13/50; H01H13/56; H01H13/58; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |