US2989871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque solenoid
Assignee: Illinois Tool Works Inc
•
Filing: 1955-09-06
•
Granted: 1961-06-27
•
Expires: 1975-09-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Straub
- 👤 Jr Lex W Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:56
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/08; F16H25/12; F16H25/125; F16H2025/127; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1723607A
Cited
US1619677A
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US1470687A
Cited
US1493259A
Cited
US1835832A
Cited
GB431237A
Cited
US2110033A
Cited
US2566571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |