US2930659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined dust and grease seal and key retainer
Assignee: GEORGE A BARBER
•
Filing: 1958-03-03
•
Granted: 1960-03-29
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Knight N Willmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H2025/2062; F16H2025/209; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18616; Y10T74/18712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US507095A
Cited
US707095A
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US1012008A
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US1037615A
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US1945075A
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US2220288A
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US2403828A
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US2407696A
Cited
US2687046A
Cited
US2713522A
Cited
US2822199A
Cited
US2803224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |