Patent US3500634A successfully refreshed from Google Patents.
US3500634A
Expired / Lapsed
US
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Control system and actuator used therein
Assignee: Texas Instruments Inc
•
Filing: 1968-01-02
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Granted: 1970-03-17
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Expires: 1988-01-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Waseleski Jr
- 👤 Francis P Buiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:36
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921; F; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/0612; F03G7/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1958660A
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US3016691A
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US2906849A
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US3131269A
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US3212337A
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US3243753A
Cited
US3231522A
Cited
US3263411A
Cited
US3375774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |