US3152181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxypropylene biguanides
Assignee: US Vitamin and Pharmaceutical Corp
•
Filing: 1961-01-18
•
Granted: 1964-10-06
•
Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 Freedman Louis
- 👤 Florence M Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:43
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/30; A; A61; A61K; A61K31/00; A61K31/13; A61K31/155; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/43; A61Q; A61Q19/00; C07; C07C; C07C279/00; C07C279/20; C07C279/24; C07C279/26; C07C279/265; C07C279/28; C11D3/00; C11D3/16; C11D3/26; C11D3/48; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q11/00; A61Q15/00; A61Q17/00; A61Q17/005; A61Q17/04; A61Q19/10; A61Q5/00; A61Q5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A MONOBIGUANIDE HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A MONOBIGUANIDE HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |