US2886945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust pipe
Assignee: MAN AG
•
Filing: 1955-02-08
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Granted: 1959-05-19
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Expires: 1975-02-08
Abstract
No abstract record available.
Inventors
- 👤 Hofer Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:46
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/10; F01N13/102; F01N3/00; F01N3/02; F01N3/04; F01N3/043; F01N3/046; F02; F02B; F02B37/00; F02B37/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190724104A
Cited
US2423602A
Cited
US2390913A
Cited
US2722801A
Cited
US2611238A
Cited
US2678529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |