US3082840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler
Assignee: Individual
•
Filing: 1960-07-11
•
Granted: 1963-03-26
•
Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Reindl Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:50
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F01N1/084
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
IN A MUFFLER FOR INTERNAL COMBUSTION ENGINES: AN ELONGATED CYLINDRICAL SHELL CLOSED AT THE ENDS BY END WALLS; A PLURALITY OF TRANSVERSE PARTITIONS SECURED WITHIN THE SHELL AND DEFINING, WITH RESPECTIVE PORTIONS OF THE SHELL, A MIXING CHAMBER ADJACENT THE LONGITUDINAL CENTER OF THE SHELL, A DAMPING CHAMBER AT EACH SIDE OF THE MIXING CHAMBER, OUTLET CHAMBERS ADJACENT THE RESPECTIVE OUTER ENDS OF THE DAMPING CHAMBERS, AND INLET CHAMBERS BETWEEN THE OUTLET CHAMBERS AND THE RESPECTIVE CLOSED ENDS OF THE CYLINDRICAL SHELL, EACH INLET CHAMBER HAVING AN INLET AND EACH OUTLET CHAMBER HAVING AN OUTLET; MEANS
References Cited (Backward Citations)
US2078754A
Cited
US2111537A
Cited
US2095999A
Cited
US2144725A
Cited
GB521395A
Cited
US2692025A
Cited
DE1021641B
Cited
US2788078A
Cited
DE1056421B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |