Patent US3105570A successfully refreshed from Google Patents.
US3105570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine exhaust muffler
Assignee: Individual
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Filing: 1962-04-17
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Granted: 1963-10-01
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Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Bezemes Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N1/00; F01N1/08; F01N1/089; F01N13/009; F01N13/0097; F01N2450/00; F01N2450/24; F01N2470/00; F01N2470/20; F01N2490/00; F01N2490/02; F01N2490/04; F01N2490/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A MUFFLER COMPRISING A TUBULAR CONDUIT OF UNIFORM BORE, AND A SERIES OF CYLINDRICAL PLUGS SECURED IN SAID BORE, IN LONGITUDINALLY SPACED RELATION, SAID PLUGS BEING OF SUBSTANTIALLY EQUAL LENGTH, AND SEPARATED BY A DISTANCE SUBSTANTIALLY EQUAL TO THEIR COMMON LENGTH, EACH PLUG HAVING AN AXIAL BORE, AND A CONCENTRIC RING OF RADIALLY OUTER BORES OF SMALLER DIAMETER THAN SAID AXIAL BORE SAID PLUGS BEING OF THE ORDER OF 1 5/8 INCHES IN DIAMETER, SAID AXIAL BORS BEING SUBSTANTIALLY 3/8 INCH IN DIAMETER WITH A TOLERANCE OF ABOUT 1/8 INCH, SAID OUTER BORES BEING SUBSTANTIALLY 17/64 INCH IN DIAMETER, WITH A TORLERANCE OF ABOUT 1/8 INCH, AND SAID PLUGS HAVING A LENGTH L SUBSTANTIALLY ACCORDING TO THE FORMULA
Claim 2
Dependent Claim
118 words
A MUFFLER COMPRISING A TUBULAR CONDUIT OF UNIFORM BORE, AND A SERIES OF CYLINDRICAL PLUGS SECURED IN SAID BORE, IN LONGITUDINALLY SPACED RELATION, SAID PLUGS BEING OF SUBSTANTIALLY EQUAL LENGTH, AND SEPARATED BY A DISTANCE SUBSTANTIALLY EQUAL TO THEIR COMMON LENGTH, EACH PLUG HAVING AN AXIAL BORE, AND A CONCENTRIC RING OF RADIALLY OUTER BORES OF SMALLER DIAMETER THAN SAID AXIAL BORE SAID PLUGS BEING OF THE ORDER OF 1 5/8 INCHES IN DIAMETER, SAID AXIAL BORS BEING SUBSTANTIALLY 3/8 INCH IN DIAMETER WITH A TOLERANCE OF ABOUT 1/8 INCH, SAID OUTER BORES BEING SUBSTANTIALLY 17/64 INCH IN DIAMETER, WITH A TORLERANCE OF ABOUT 1/8 INCH, AND SAID PLUGS HAVING A LENGTH L SUBSTANTIALLY ACCORDING TO THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |