US2717048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler with vibration damping shell
Assignee: OLDBERG Manufacturing CO
•
Filing: 1951-08-28
•
Granted: 1955-09-06
•
Expires: 1971-08-28
Abstract
No abstract record available.
Inventors
- 👤 Floyd E Deremer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:17
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N13/185; F01N1/00; F01N1/02; F01N1/08; F01N1/084; F01N2450/00; F01N2450/20; F01N2450/22; F01N2470/00; F01N2470/02; F01N2470/10; F01N2470/12; F01N2490/00; F01N2490/08; F01N2490/15; F01N2490/155; F01N2530/00; F01N2530/26
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |