US2697362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle drive and bearing structure
Assignee: C H KEESLING
•
Filing: 1950-04-18
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Granted: 1954-12-21
•
Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Keesling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:50
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/14; F16C; F16C19/00; F16C19/54; F16C19/545; F16C35/00; F16C35/04; F16C35/06; F16C35/067; F16C19/02; F16C19/04; F16C19/06; F16C19/10; F16C19/12; F16C2361/00; F16C2361/61; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1966; Y10T74/19665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US669945A
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US1145762A
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US1604298A
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DE671811C
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US2198921A
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US2462647A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |