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US2611283A
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US
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Plural pulley mechanism
Assignee: Eastman Kodak Co
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Filing: 1950-06-27
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Granted: 1952-09-23
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Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Lee T Askren
- 👤 Robert J Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:43
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088; Y10T74/19098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1311299A
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US739262A
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US938474A
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US1382406A
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US1341796A
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CH173484A
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US2354204A
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US2336642A
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US2373663A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |