US2747482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film developing and processing tank
Assignee: X RAY INSTR CORP
•
Filing: 1954-01-18
•
Granted: 1956-05-29
•
Expires: 1974-01-18
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Gacki
- 👤 Walter A Winfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D3/00; G03D3/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86187; Y10T137/86212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772834A
Cited
US1861607A
Cited
US2327733A
Cited
US2484048A
Cited
US2562588A
Cited
US2652758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |