US3213136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Borimidazoles
Assignee: American Potash and Chemical Corp
•
Filing: 1961-10-30
•
Granted: 1965-10-19
•
Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert M Washburn
- 👤 Roger A Baldwin
- 👤 Franklin A Billig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:18
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/025; C08; C08G; C08G79/00; C08G79/08; C10; C10M; C10M1/00; C10M1/08; H; H10; H10K; H10K85/00; H10K85/30; H10K85/321; H10K85/322; H10K85/60; H10K85/658; C10M2227/00; H10K85/615
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A BORIMIDAZOLE MONOMER HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A BORIMIDAZOLE MONOMER HAVING THE FORMULA
References Cited (Backward Citations)
US3047623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |