Patent US3019104A successfully refreshed from Google Patents.
US3019104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic products, processes, and compositions
Assignee: Polaroid Corp
•
Filing: 1957-12-11
•
Granted: 1962-01-30
•
Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 Oster Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:06
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/32; G03C8/36; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/0285; G03C2200/00; G03C2200/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PHOTOGRAPHIC PROCESS COMPRISING THE STEPS OF PERMEATING A PHOTOSENSITIVE ELEMENT INCLUDING AN EXPOSED SILVER HALIDE EMULSION LAYER WITH A FREE RADICAL POLYMERIZABLE VINYL MONOMER, DEVELOPMENT THE EXPOSED SILVER HALIDE EMULSION WITH A BENZENOID SILVER HALIDE DEVELOPER, WHICH DEVELOPER FORMS FREE RADICALS UPON BEING OXIDIZED AS A FUNCTION OF DEVELOPMENT AND POLYMERIZING SAID POLYMERIZABLE VINYL MONOMER WITH SAID FREE RADICALS IN THE EXPOSED AND DEVELOPED AREAS.
Claim 2
Dependent Claim
66 words
A PHOTOGRAPHIC PROCESS COMPRISING THE STEPS OF PERMEATING A PHOTOSENSITIVE ELEMENT INCLUDING AN EXPOSED SILVER HALIDE EMULSION LAYER WITH A FREE RADICAL POLYMERIZABLE VINYL MONOMER, DEVELOPMENT THE EXPOSED SILVER HALIDE EMULSION WITH A BENZENOID SILVER HALIDE DEVELOPER, WHICH DEVELOPER FORMS FREE RADICALS UPON BEING OXIDIZED AS A FUNCTION OF DEVELOPMENT AND POLYMERIZING SAID POLYMERIZABLE VINYL MONOMER WITH SAID FREE RADICALS IN THE EXPOSED AND DEVELOPED AREAS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |