US3361564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine borane as fogging agent in direct positive
Assignee: EIDP Inc
•
Filing: 1964-08-27
•
Granted: 1968-01-02
•
Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 John H Bigelow
- 👤 Cortland R Burt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:27
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/485; G03C1/48515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING AN AMINE BORANE.
Claim 2
Dependent Claim
9 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING AN AMINE BORANE.
References Cited (Backward Citations)
US3246987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |