US1479129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder head for internal-combustion engines
Assignee: MAN AG
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Filing: 1921-06-29
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Granted: 1924-01-01
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Expires: 1941-06-29
Abstract
No abstract record available.
Inventors
- 👤 Feilner Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:55
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/40; F02B; F02B3/00; F02B3/06; F02F2001/244; F02F2001/247; F02F2001/249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-12-31 | 1927-07-02 | 1928-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-31 | 1931-07-02 | 1932-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-31 | 1935-07-02 | 1936-01-01 | $7700.00 | Window Closed / Lapsed |