US3018177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film with antihalation layer
Assignee: Agfa Gevaert NV
•
Filing: 1958-03-17
•
Granted: 1962-01-23
•
Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Geiger Julius
- 👤 Ossenbrunner Armin
- 👤 Coenen Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:29
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; C; C09; C09B; C09B11/00; C09B11/04; C09B11/10; C09B11/12; C09B11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PHOTOGRAPHIC ELEMENT COMPRISING IN COMBINATION A FILM BASE, A SILVER HALIDE EMULSION LAYER ON SAID BASE, AND AN ANTIHALATION DYE CARRIED BY SAID BASE AND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
30 words
A PHOTOGRAPHIC ELEMENT COMPRISING IN COMBINATION A FILM BASE, A SILVER HALIDE EMULSION LAYER ON SAID BASE, AND AN ANTIHALATION DYE CARRIED BY SAID BASE AND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2606833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |