Patent US4731760A successfully refreshed from Google Patents.
Patent US3435073A successfully refreshed from Google Patents.
US3435073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-(n-benzyl-n-lower alkylaminoalkylene)-5h-dibenzo(a,d)cycloheptenes
Assignee: Colgate Palmolive Co
•
Filing: 1966-04-19
•
Granted: 1969-03-25
•
Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Claude I Judd
- 👤 Alexander E Drukker
- 👤 John H Biel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:33
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |