US2870273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switching mechanism
Assignee: Euclid Electric and Manufacturing Co
•
Filing: 1956-09-24
•
Granted: 1959-01-20
•
Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles W Merchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:30
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/0214; H01H13/00; H01H13/70; H01H13/72; H01H13/74; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1846513A
Cited
US1909783A
Cited
US1986527A
Cited
US2279753A
Cited
GB613418A
Cited
US2712763A
Cited
US2748205A
Cited
US2742538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |