US2544811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch lever booster
Assignee: F A STRAUB EQUIPMENT Co
•
Filing: 1948-02-27
•
Granted: 1951-03-13
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:02
CPC Classifications
B; B27; B27G; B27G17/00; B27G17/04; B23; B23Q; B23Q11/00; B23Q11/0042; G; G05; G05G; G05G25/00; G05G2700/00; G05G2700/12; G05G2700/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1393111A
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US1444556A
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US1670472A
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US1835982A
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US2329898A
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US2402932A
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US2457497A
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US2458342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |