Patent US2298981A successfully refreshed from Google Patents.
US2298981A
Expired / Lapsed
US
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Rocker arm assembly
Assignee: BUDA CO
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Filing: 1941-05-24
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Granted: 1942-10-13
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Expires: 1961-05-24
Abstract
No abstract record available.
Inventors
- 👤 Harold G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/18; F01L1/181; F01L1/02; F01L1/04; F01L1/047; F01L2001/0476; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44017; Y10T24/44641; Y10T24/44769; Y10T24/44923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-10-12 | 1946-04-13 | 1946-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-12 | 1950-04-13 | 1950-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-12 | 1954-04-13 | 1954-10-13 | $7700.00 | Window Closed / Lapsed |