US2667474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of polytrifluorochloroethylene plastic
Assignee: Individual
•
Filing: 1947-02-21
•
Granted: 1954-01-26
•
Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 William T Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:02
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
THE METHOD OF TREATING A TOUGH, THERMOPLASTIC ORIENTABLE POLYTRIFLUOROCHLOROETHYLENE WHICH COMPRISES HEATING THE POLYMER TO ABOVE ITS TRAN-
Claim 2
Independent Claim
18 words
THE METHOD OF TREATING A TOUGH, THERMOPLASTIC ORIENTABLE POLYTRIFLUOROCHLOROETHYLENE WHICH COMPRISES HEATING THE POLYMER TO ABOVE ITS TRAN-
References Cited (Backward Citations)
FR796026A
Cited
GB465520A
Cited
GB578168A
Cited
US2392378A
Cited
US2531134A
Cited
US2510078A
Cited
US2600802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |