US3549375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic photographic film
Assignee: GAF Corp
•
Filing: 1967-05-08
•
Granted: 1970-12-22
•
Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Karl Pechmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:43
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89; G03C1/895; Y; Y10; Y10S; Y10S430/00; Y10S430/131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA602795A
Cited
US1757482A
Cited
US2423549A
Cited
US2716062A
Cited
US2995444A
Cited
US3052544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |