US2901575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switch
Assignee: Texas Instruments Inc
•
Filing: 1957-08-16
•
Granted: 1959-08-25
•
Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 David E Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:25
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/24; H01H77/00; H01H77/02; H01H77/04; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H1/2016; H01H11/00; H01H11/0006; H01H11/0018; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102; H01H2300/00; H01H2300/046; H01H2300/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677710A
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US2467745A
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US2548678A
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US2566720A
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US2622169A
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US2681962A
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US2811604A
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US2811605A
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US2743333A
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US2810041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |