US2970226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic timing device
Assignee: Texas Instruments Inc
•
Filing: 1956-11-20
•
Granted: 1961-01-31
•
Expires: 1976-11-20
Abstract
No abstract record available.
Inventors
- 👤 Charles W Skelton
- 👤 Jack S Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:44
CPC Classifications
G; G04; G04F; G04F1/00; G04F1/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882989A
Cited
US2303862A
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US2493627A
Cited
US2622212A
Cited
US2719917A
Cited
US2769595A
Cited
US2844790A
Cited
US2797328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |