US2924296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry muffler and mounting means therefor
Assignee: Doosan Bobcat North America Inc
•
Filing: 1957-07-25
•
Granted: 1960-02-09
•
Expires: 1977-07-25
Abstract
No abstract record available.
Inventors
- 👤 Charles J Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:28
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F01N1/12; F01N3/00; F01N3/06; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732913A
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US1124199A
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US1461045A
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US1421432A
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US1471088A
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US1735298A
Cited
US2051675A
Cited
US2236358A
Cited
US2348785A
Cited
US2553306A
Cited
US2527004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |