US2756291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch with reversible contacts and reversible contact carrier
Assignee: Allis Chalmers Corp
•
Filing: 1953-03-05
•
Granted: 1956-07-24
•
Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Charles R Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:48
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/0006; H01H11/0012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1702396A
Cited
US1350924A
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US1556828A
Cited
US1808316A
Cited
US1833948A
Cited
US2049747A
Cited
US2106581A
Cited
US2419072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |