Patent FR1472196A successfully refreshed from Google Patents.
Patent US2507336A successfully refreshed from Google Patents.
US2507336A
Expired / Lapsed
US
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Muffler formed of plural nozzles
Assignee: Individual
•
Filing: 1944-04-04
•
Granted: 1950-05-09
•
Expires: 1964-04-04
Abstract
No abstract record available.
Inventors
- 👤 Golliez Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:54
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/12; F02M35/1205; F02M35/1227; F02M35/1233; Y; Y10; Y10S; Y10S181/00; Y10S181/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB286715A
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US1916908A
Cited
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Cited
US2312597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |