Patent US1954588A successfully refreshed from Google Patents.
US2538499A
Expired / Lapsed
US
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Cylinder coupling
Assignee: Individual
•
Filing: 1946-04-30
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Granted: 1951-01-16
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Expires: 1966-04-30
Abstract
No abstract record available.
Inventors
- 👤 Henry F Benoit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/20; D01H1/24; D01H1/241; F; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10S; Y10S474/00; Y10S474/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1287030A
Cited
US1592581A
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US1891915A
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US1949520A
Cited
US2204953A
Cited
US2412013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |