US2278181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine and gear coupling
Assignee: Sulzer AG
•
Filing: 1940-05-15
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Granted: 1942-03-31
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Expires: 1960-05-15
Abstract
No abstract record available.
Inventors
- 👤 Lieberherr Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:59
CPC Classifications
F; F02; F02B; F02B41/00; F02B41/02; F02B41/10; B; B60; B60K; B60K6/00; B60K6/08; B60K6/12; F16; F16H; F16H61/00; F16H61/38; F16H61/40; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T10/60; Y02T10/62
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) | 1945-03-30 | 1945-09-29 | 1946-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-30 | 1949-09-29 | 1950-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-30 | 1953-09-29 | 1954-03-31 | $7700.00 | Window Closed / Lapsed |