Patent US2424052A successfully refreshed from Google Patents.
US2424052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film processor
Assignee: Individual
•
Filing: 1945-01-18
•
Granted: 1947-07-15
•
Expires: 1965-01-18
Abstract
No abstract record available.
Inventors
- 👤 Verneur E Pratt
- 👤 George F Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:39
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; G03D13/00; G03D3/08; G03D3/13; G03D3/132
Claims Analysis
Total Claims: 0
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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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |