US3523022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic element containing a protective matte layer
Assignee: Eastman Kodak Co
•
Filing: 1965-05-24
•
Granted: 1970-08-04
•
Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Bernard Leonard I Byerley
- 👤 Guy W W Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:19
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/81; G03C1/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2478020A
Cited
US2867521A
Cited
US3142557A
Cited
US3233976A
Cited
US3158057A
Cited
US3246953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |