US2594466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent film feeding mechanism utilizing scroll gears
Assignee: Individual
•
Filing: 1949-03-15
•
Granted: 1952-04-29
•
Expires: 1969-03-15
Abstract
No abstract record available.
Inventors
- 👤 Otto H Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:34
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/38; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19555; Y10T74/1987; Y10T74/19879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US647529A
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US714845A
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FR323062A
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US1984264A
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US2240324A
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US2415390A
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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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |