US2803662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethers of 4. 8. 8-trimethyl-9-methylene-(1, 3, 3)-bicyclo-4-nonanol
Assignee: Firmenich SA
•
Filing: 1954-06-28
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Granted: 1957-08-20
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Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Stoll Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:06
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
STEREOISOMERIC COMPOUNDS OF 4.4.8-TRIMETHYL-9METHYLENE-(3.3.1)-BICYCLO-4-NONANOLS HAVING THE STRUCTURE
Claim 2
Dependent Claim
7 words
STEREOISOMERIC COMPOUNDS OF 4.4.8-TRIMETHYL-9METHYLENE-(3.3.1)-BICYCLO-4-NONANOLS HAVING THE STRUCTURE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |