US1674832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction and mounting of the cylinder of a double-acting two-acting two-stroke motor
Assignee: NAAMLOOZE VENNOOTSCHAP NEDERLANDSCHE FABRIEK VAN WERKTUIGEN EN SPOORWEGMATERIEEL GENAAMD "WERKSPOOR"
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Filing: 1925-01-17
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Granted: 1928-06-26
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Expires: 1945-01-17
Abstract
No abstract record available.
Inventors
- 👤 Lugt Gerard Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/002; F02B75/02; F02B2075/022; F02B2075/025; F02B3/00; F02B3/06
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) | 1931-06-26 | 1931-12-26 | 1932-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-06-26 | 1935-12-26 | 1936-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-06-26 | 1939-12-26 | 1940-06-26 | $7700.00 | Window Closed / Lapsed |