US3528628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel spindle drive means for film reader or the like
Assignee: Eastman Kodak Co
•
Filing: 1968-05-20
•
Granted: 1970-09-15
•
Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Elmer O Wangerin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; G03B21/111; G03B21/113; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19098; Y10T74/19172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2652910A
Cited
US2624214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |