US2306071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous esters and process for preparing them
Assignee: Eastman Kodak Co
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Filing: 1938-12-30
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Granted: 1942-12-22
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Expires: 1958-12-30
Abstract
No abstract record available.
Inventors
- 👤 James G Mcnally
- 👤 Russel H Van Dyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/795; C; C08; C08F; C08F8/00; C08F8/14; C08F8/16; G03C1/91; G03C1/93; C08F2810/00; C08F2810/50
Claims Analysis
Total Claims: 0
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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) | 1945-12-21 | 1946-06-22 | 1946-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-21 | 1950-06-22 | 1950-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-21 | 1954-06-22 | 1954-12-22 | $7700.00 | Window Closed / Lapsed |