Patent US3423430A successfully refreshed from Google Patents.
US3423430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-alkyl substituted-4-methyl-1,3-dioxanes
Assignee: Lever Brothers Co
•
Filing: 1966-09-13
•
Granted: 1969-01-21
•
Expires: 1986-09-13
Abstract
No abstract record available.
Inventors
- 👤 Arno Cahn
- 👤 Allan H Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:00
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/04; C07D319/06; C11; C11B; C11B9/00; C11B9/0069; C11B9/0073; C11B9/008; C11D; C11D3/00; C11D3/395; C11D3/3958; C11D3/50; C11D9/00; C11D9/04; C11D9/44; C11D9/442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A PERFUME HAVING THE STRUCTURE:
Claim 2
Dependent Claim
5 words
A PERFUME HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2684373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |