Patent US3240603A successfully refreshed from Google Patents.
US3240603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic developer solution containing non-sludging silver halide solvent
Assignee: Individual
•
Filing: 1961-09-28
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Granted: 1966-03-15
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Schuler Horst
- 👤 Grabhofer Herbert
- 👤 Ulrich Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/38; G03C5/383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A COMBINED PHOTOGRAPHIC DEVELOPING AND FIXING BATH COMPOSITION, COMPRISING AN ALKALINE PHOTOGRAPHIC SILVER HALIDE DEVELOPER SOLUTION CONTAINING A SILVER HALIDE SOLVENT OF THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
26 words
A COMBINED PHOTOGRAPHIC DEVELOPING AND FIXING BATH COMPOSITION, COMPRISING AN ALKALINE PHOTOGRAPHIC SILVER HALIDE DEVELOPER SOLUTION CONTAINING A SILVER HALIDE SOLVENT OF THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2525532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |