Patent US2835703A successfully refreshed from Google Patents.
US2835703A
Expired / Lapsed
US
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Hydrazides of allyloxamic acid
Assignee: Eastman Kodak Co
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Filing: 1956-04-18
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Granted: 1958-05-20
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Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
- 👤 Jr Winston J Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:26
CPC Classifications
C; C07; C07C; C07C243/00; C08; C08F; C08F26/00; C08F26/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
ALLYLOXAMINE ACID HYDRAZIDES REPRESENTS BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
9 words
ALLYLOXAMINE ACID HYDRAZIDES REPRESENTS BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2416234A
Cited
US2470160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |