US2667746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering apparatus
Assignee: American Engineering Co Ltd
•
Filing: 1953-06-12
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Granted: 1954-02-02
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Expires: 1973-06-12
Abstract
No abstract record available.
Inventors
- 👤 August W Kumpf
- 👤 Thomas A Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:39
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H25/14; B63H25/26; B63H25/28; B63H25/30; B63H25/18; B63H25/22; F; F15; F15B; F15B9/00; F15B9/02; F15B9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |