Patent US3044988A successfully refreshed from Google Patents.
US3044988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters from fluorinated glycols and process of making same
Assignee: Olin Corp
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Filing: 1960-12-19
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Granted: 1962-07-17
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Gerhard F Ottmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:11
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
RESINOUS POLYMERIZATION COMPRISING THE POLYMERIC POLYCONDENSATION PRODUCTS OF A POLYFLUORINATED GLYCOL OF THE FORMULA:
Claim 2
Dependent Claim
14 words
RESINOUS POLYMERIZATION COMPRISING THE POLYMERIC POLYCONDENSATION PRODUCTS OF A POLYFLUORINATED GLYCOL 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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |