US3236869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allenic acids
Assignee: Eastman Kodak Co
•
Filing: 1963-08-22
•
Granted: 1966-02-22
•
Expires: 1983-08-22
Abstract
No abstract record available.
Inventors
- 👤 Thompson Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:43
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/52; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C33/00; C07C33/02; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/295; C07C51/347; C07C51/363; C07C57/02; C07C57/03; C07C57/26; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN ALLENIC ACID OF THE FORMULA
Claim 2
Dependent Claim
6 words
AN ALLENIC ACID OF THE FORMULA
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |