US3180875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 3, 3'-dithiobis[indole-2-carboxylic acid] dihydrazides
Assignee: Pharmacia and Upjohn Co
•
Filing: 1963-10-07
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Granted: 1965-04-27
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Szmuszkovicz Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:22
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND 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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |