Patent US3435389A successfully refreshed from Google Patents.
US3435389A
Expired / Lapsed
US
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Electromagnetic contactor having cam means for operating auxiliary switch
Assignee: Allis Chalmers Corp
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Filing: 1967-04-19
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Granted: 1969-03-25
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Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 Charles R Mikolic
- 👤 Lawrence A Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:39
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/541; H01H50/545; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102; H01H15/107
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |