Patent US3030409A successfully refreshed from Google Patents.
US3030409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary fluoroalcohols, esters and process of making same
Assignee: EIDP Inc
•
Filing: 1960-01-29
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Granted: 1962-04-17
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Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
- 👤 Andreades Sam
- 👤 England David Charles
- 👤 Jr Richard Vernon Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:19
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/02; C07C35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
SECONDARY FLUOROALCOHOLS OF THE FORMULA
Claim 2
Dependent Claim
5 words
SECONDARY FLUOROALCOHOLS OF THE FORMULA
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |