US3112007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silencing element for exhaust gas conduit
Assignee: Meritor Inc
•
Filing: 1961-11-01
•
Granted: 1963-11-26
•
Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Ludlow Edmund
- 👤 Benjamin H Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:24
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; F01N1/10; F01N1/02; F01N2490/00; F01N2490/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SILENCING ELEMENT FOR AN EXHAUST GAS CONDUIT, COMPRISING AN ELONGATED PERFORATED TUBE RIGIDLY MOUNTED IN SAID CONDUIT ADJACENT THE DISCHARGE END THEREOF, SAID TUBE HAVING A CROSS-SECTIONAL AREA OF FROM ABOUT 25% TO ABOUT 75% OF THE CROSS-SECTIONAL AREA OF SAID CONDUIT,
Claim 2
Dependent Claim
43 words
A SILENCING ELEMENT FOR AN EXHAUST GAS CONDUIT, COMPRISING AN ELONGATED PERFORATED TUBE RIGIDLY MOUNTED IN SAID CONDUIT ADJACENT THE DISCHARGE END THEREOF, SAID TUBE HAVING A CROSS-SECTIONAL AREA OF FROM ABOUT 25% TO ABOUT 75% OF THE CROSS-SECTIONAL AREA OF SAID CONDUIT,
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |