US2755267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric chlorotrifluoroethylene
Assignee: General Electric Co
•
Filing: 1953-03-09
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Granted: 1956-07-17
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Robert W Finholt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A SOLID COMPOSITION OF MATTER COMPRISING (1) SOLID POLYCHLOROTRIFLUOROETHYLENE AND (2) FROM 5 TO 20%, BY WEIGHT, BASED ON THE WEIGHT OF (1) OF A CHLORINATED DIPHENYL ETHER CONTAINING AN AVERAGE OF FROM 5 TO 9 CHLORINE ATOMS SUBSTITUTED ON THE PHENYL NUCLEI OF THE AFORESAID ETHER INTIMATELY INCORPORATED THROUGHOUT THE POLYCHLOROTRIFLUOROETHYLENE.
Claim 2
Dependent Claim
52 words
A SOLID COMPOSITION OF MATTER COMPRISING (1) SOLID POLYCHLOROTRIFLUOROETHYLENE AND (2) FROM 5 TO 20%, BY WEIGHT, BASED ON THE WEIGHT OF (1) OF A CHLORINATED DIPHENYL ETHER CONTAINING AN AVERAGE OF FROM 5 TO 9 CHLORINE ATOMS SUBSTITUTED ON THE PHENYL NUCLEI OF THE AFORESAID ETHER INTIMATELY INCORPORATED THROUGHOUT THE POLYCHLOROTRIFLUOROETHYLENE.
References Cited (Backward Citations)
US2542072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |