US3250815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicyclo (2.2.1) heptyl carbinols
Assignee: Universal Oil Products Co
•
Filing: 1962-02-05
•
Granted: 1966-05-10
•
Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 William J Houlihan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046; C07; C07C; C07C31/00; C07C31/13; C07C31/137; C07C45/00; C07C45/27; C07C45/29; C07C45/292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
2-LOWER-ALKYL-2-(4''METHYLPENT-2''-YNE-4''-ENE-1''OL)-BICYCLO (2.2.1) HEPTANE.
Claim 2
Dependent Claim
3 words
2-LOWER-ALKYL-2-(4''METHYLPENT-2''-YNE-4''-ENE-1''OL)-BICYCLO (2.2.1) HEPTANE.
References Cited (Backward Citations)
US2894983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |