US3285975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
omega-perfluoroalkyl alkenols
Assignee: 3M Co
•
Filing: 1965-03-01
•
Granted: 1966-11-15
•
Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Ahlbrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:22
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/58; C07C51/00; C07C51/347; C07C51/377; C07C67/00; C07C67/14; C07C67/30; C07C67/303; C07C67/31; C07C67/317; C07C67/327; C07C67/333; C07C67/343; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A FLUORINATED ALCOHOL OF THE FORMULA:
Claim 2
Dependent Claim
6 words
A FLUORINATED ALCOHOL OF 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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |