US3458840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-position electric switch
Assignee: KOCKUMS CANCAR Inc A CANADIAN CORP
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Filing: 1967-03-10
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Granted: 1969-07-29
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Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:11
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0073; H01H5/00; H01H5/02; H01H3/00; H01H3/32; H01H3/50; H01H2003/506
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |