US3369801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver recovery unit
Assignee: Eastman Kodak Co
•
Filing: 1965-11-10
•
Granted: 1968-02-20
•
Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Harlan G Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:40
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; G03D3/065; C; C01; C01F; C01F5/00; C22; C22B; C22B11/00; C22B11/04; C22B11/042; C22B11/046; G03C; G03C5/00; G03C5/26; G03C5/395; G03C5/3952; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US783600A
Cited
US1872430A
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US2007615A
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US2194056A
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US2655264A
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US2712931A
Cited
US2758719A
Cited
US2905323A
Cited
US3043432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |