Patent US1168286A successfully refreshed from Google Patents.
US1168286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating photographic film.
Assignee: Eastman Kodak Co
•
Filing: 1914-05-11
•
Granted: 1916-01-18
•
Expires: 1934-05-11
Abstract
No abstract record available.
Inventors
- 👤 John Ickeringill Crabtree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:32
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1919-01-17 | 1919-07-19 | 1920-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-01-17 | 1923-07-19 | 1924-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-01-17 | 1927-07-19 | 1928-01-18 | $7700.00 | Window Closed / Lapsed |