US2835577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive system
Assignee: Individual
•
Filing: 1955-07-29
•
Granted: 1958-05-20
•
Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Levy Marilyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/494; G03C1/498
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS OF MAKING PHOTOGRAPHIC IMAGES WHICH COMPRISES USING A PHOTOGRAPHIC SYSTEM COMPOSED OF A POLYVINYL CHLORIDE EMULSION HAVING DISPERSED THEREIN A MEMBER OF THE GROUP CONSISTING OF SILVER SUCCINDIAMIDOXIME, SILVER P-TOLUENE SULFINATE AND SILVER BENZENE SULFINATE, RMING AN DESENSITIZING SAID SYSTEM TO FURTHER SYSTEM TO LIGHT AND DENSITIZING SAID SYSTEM TO FURTHER ACTION BY LIGHT WITH THE SOLE APPLICATION OF HEAT.
Claim 2
Dependent Claim
62 words
THE PROCESS OF MAKING PHOTOGRAPHIC IMAGES WHICH COMPRISES USING A PHOTOGRAPHIC SYSTEM COMPOSED OF A POLYVINYL CHLORIDE EMULSION HAVING DISPERSED THEREIN A MEMBER OF THE GROUP CONSISTING OF SILVER SUCCINDIAMIDOXIME, SILVER P-TOLUENE SULFINATE AND SILVER BENZENE SULFINATE, RMING AN DESENSITIZING SAID SYSTEM TO FURTHER SYSTEM TO LIGHT AND DENSITIZING SAID SYSTEM TO FURTHER ACTION BY LIGHT WITH THE SOLE APPLICATION OF HEAT.
References Cited (Backward Citations)
US2538297A
Cited
US2772159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |