US2930859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switches
Assignee: Cutler Hammer Inc
•
Filing: 1956-03-29
•
Granted: 1960-03-29
•
Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 William F Nolden
- 👤 Clyde F Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:31
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/06; H01H13/50; H01H13/503; H01H11/00; H01H11/0006; H01H11/0012
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1207923A
Cited
US1903135A
Cited
US1996891A
Cited
US2303833A
Cited
US2357973A
Cited
US2430064A
Cited
US2514913A
Cited
US2550777A
Cited
US2562420A
Cited
US2707213A
Cited
US2722574A
Cited
US2806907A
Cited
US2794093A
Cited
US2814681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |