Patent US2358282A successfully refreshed from Google Patents.
US3442004A
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Method of making electrical switches
Assignee: Indak Manufacturing Corp
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Filing: 1967-02-09
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Granted: 1969-05-06
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Expires: 1987-02-09
Abstract
No abstract record available.
Inventors
- 👤 William N Schink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H1/00; H01H1/12; H01H1/36; H01H1/40; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011; Y10T29/49105; Y10T29/49764; Y10T29/49778; Y10T29/4978; Y10T29/49799
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2298236A
Cited
US2447718A
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US2631211A
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US3040213A
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US3248488A
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US3214536A
Cited
US3146315A
Cited
GB993984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |