Patent US2850313A successfully refreshed from Google Patents.
US2850313A
Expired / Lapsed
US
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Anti-rap knob retainer
Assignee: Yale and Towne Manufacturing Co
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Filing: 1955-05-31
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Granted: 1958-09-02
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Mathias M Check
- 👤 Raymond W Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:43
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/003; G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/865
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |