US2952152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gel-point indicator
Assignee: Eastman Kodak Co
•
Filing: 1955-02-21
•
Granted: 1960-09-13
•
Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Webster E Fisher
- 👤 Jr Francis E Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; G01N25/04; G01N11/00; G01N11/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1654614A
Cited
US2297641A
Cited
US2322814A
Cited
US2591084A
Cited
US2671335A
Cited
US2750433A
Cited
US2635455A
Cited
US2635457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |