US2879347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: ELECTRIC PRODUCTS CO
•
Filing: 1955-05-25
•
Granted: 1959-03-24
•
Expires: 1975-05-25
Abstract
No abstract record available.
Inventors
- 👤 Norman F Diederich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:05
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1429275A
Cited
US1424578A
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US1511408A
Cited
US1826370A
Cited
US1972958A
Cited
US1910036A
Cited
US1970558A
Cited
GB537345A
Cited
US2256910A
Cited
US2669624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |