US2792377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polytrifluorochloroethylene plastic
Assignee: Individual
•
Filing: 1953-09-01
•
Granted: 1957-05-14
•
Expires: 1973-09-01
Abstract
No abstract record available.
Inventors
- 👤 William T Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:30
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COMPOSITION OF MATTER COMPRISING A SOLID HOMOPOLYMER OF TRIFLUOROCHLOROETHYLENE RESILIENT, ORIENTABLE, SUBSTANTIALLY INERT AND HAVING A MOLECULAR WEIGHT OF AT LEAST 50,000, A TRANSITION TEMPERATURE OF ABOUT 210* C., A NO-STRENGTH TEMPERATURE OF AT LEAST 215* C., MOLDABLE AS A THERMOPLASTIC AT TEMPERATURES NOT SUBSTANTIALLY BELOW THE TRANSITION TEMPERATURES AND SUBSTANTIALLY INSOLUBLE IN ANY SOLVENT AT TEMPERATURES BELOW 30* C.
Claim 2
Dependent Claim
61 words
A COMPOSITION OF MATTER COMPRISING A SOLID HOMOPOLYMER OF TRIFLUOROCHLOROETHYLENE RESILIENT, ORIENTABLE, SUBSTANTIALLY INERT AND HAVING A MOLECULAR WEIGHT OF AT LEAST 50,000, A TRANSITION TEMPERATURE OF ABOUT 210* C., A NO-STRENGTH TEMPERATURE OF AT LEAST 215* C., MOLDABLE AS A THERMOPLASTIC AT TEMPERATURES NOT SUBSTANTIALLY BELOW THE TRANSITION TEMPERATURES AND SUBSTANTIALLY INSOLUBLE IN ANY SOLVENT AT TEMPERATURES BELOW 30* C.
References Cited (Backward Citations)
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Cited
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GB578168A
Cited
US2456255A
Cited
US2497046A
Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |