Patent US2899424A successfully refreshed from Google Patents.
US2899424A
Expired / Lapsed
US
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Physiologically active hydrazinium
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:24
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/76; C07D215/00; C07D215/02; C07D215/16; C07D215/48; C07D215/50; C07D215/52; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/60; C07D239/62; C07D239/64; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/50; C07D277/52; C07D295/00; C07D295/22; C07D295/28; C07D295/30; C07D499/00; G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/30; G03C5/3014
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
AS A NEW CHEMICAL COMPOUND, 1,1-DIETHYL-1-(2(P-N- BUTYLAMINOBENZOYLOXY) ETHYL)HYDRAZINIUM PENICILLINATE.
Claim 2
Dependent Claim
9 words
AS A NEW CHEMICAL COMPOUND, 1,1-DIETHYL-1-(2(P-N- BUTYLAMINOBENZOYLOXY) ETHYL)HYDRAZINIUM PENICILLINATE.
Claim 3
Dependent Claim
7 words
NEW CHEMICAL COMPOUNDS OF THE GENERAL FORMULA:
Claim 4
Dependent Claim
7 words
NEW CHEMICAL COMPOUNDS OF THE GENERAL 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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |