US2758028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photothermographic substance
Assignee: Individual
•
Filing: 1955-03-08
•
Granted: 1956-08-07
•
Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Levy Marilyn
- 👤 Schulze Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/494; G03C1/498; G03C1/49809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A PHOTOTHERMOGRAPHIC ELEMENT COMPRISING A SUPPORT AND A PHOTOETHERMOGRAPHIC LAYER COMPRISING AN ORGANIC COLLOID CARRIER HAVING DISPERSED THEREIN THE SILVER SALT OF BENZAMIDOXIME.
Claim 2
Dependent Claim
23 words
A PHOTOTHERMOGRAPHIC ELEMENT COMPRISING A SUPPORT AND A PHOTOETHERMOGRAPHIC LAYER COMPRISING AN ORGANIC COLLOID CARRIER HAVING DISPERSED THEREIN THE SILVER SALT OF BENZAMIDOXIME.
References Cited (Backward Citations)
US2095839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |