Patent FR1051464A successfully refreshed from Google Patents.
US2436069A
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Oils and greases obtained by pyrolysis of tetrafluoroethyleneolefin copolymers
Assignee: EIDP Inc
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Filing: 1944-09-29
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Granted: 1948-02-17
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Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert M Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:59
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08F; C08F8/00; C08F8/50; C08F2800/00; C08F2800/10; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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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) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |