US3207791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyalkoxyhydroxyamines
Assignee: Atlantic Richfield Co
•
Filing: 1962-09-19
•
Granted: 1965-09-21
•
Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Iii Joseph A Meyers
- 👤 Edward G Shay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/42; C11D1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPUND HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |