US2804003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing photographic film and the like
Assignee: Individual
•
Filing: 1953-04-23
•
Granted: 1957-08-27
•
Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Ignace F Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:20
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000287A
Cited
US1012723A
Cited
US2112605A
Cited
US2073978A
Cited
US2519337A
Cited
US2530734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |