US3228975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Akyl-substituted cyclohexyl guanidines and biguanides
Assignee: Wyeth Holdings LLC
•
Filing: 1964-04-10
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Granted: 1966-01-11
•
Expires: 1984-04-10
Abstract
No abstract record available.
Inventors
- 👤 Abraham Ernestine Gelblum
- 👤 Lamb Glentworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:17
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/40; A01N47/42; A01N47/44; C; C07; C07C; C07C233/00; C07C233/01; C07C233/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A CYCLOHEXYL COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
A CYCLOHEXYL COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
GB593675A
Cited
US2473112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |