Patent US5668549A successfully refreshed from Google Patents.
US2899007A
Expired / Lapsed
US
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Muffler
Assignee: Motors Liquidation Co
•
Filing: 1955-09-19
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Granted: 1959-08-11
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Expires: 1975-09-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Morrish
- 👤 Lloyd E Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:24
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/02; F01N2490/00; F01N2490/15; F01N2490/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA496278A
Cited
US2125449A
Cited
US2160332A
Cited
US2337299A
Cited
US2511713A
Cited
US2661073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |