US2628834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web feeding mechanism for photographic apparatus and the like
Assignee: Bell and Howell Co
•
Filing: 1948-05-03
•
Granted: 1953-02-17
•
Expires: 1968-05-03
Abstract
No abstract record available.
Inventors
- 👤 James F Craib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:41
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/14; G03D3/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2048182A
Cited
US2059979A
Cited
US2120735A
Cited
US2175205A
Cited
US2168159A
Cited
US2287768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |