US2960179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust muffler
Assignee: Nelson Muffler Corp
•
Filing: 1954-07-27
•
Granted: 1960-11-15
•
Expires: 1974-07-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:17
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F01N1/084; F01N1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931736A
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US1952139A
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US2070543A
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US2109220A
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US2144725A
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US2138477A
Cited
US2235705A
Cited
US2337299A
Cited
US2520756A
Cited
US2580564A
Cited
US2661073A
Cited
US2655220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |