US2542072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspensions of polymeriochlorotrifuloroethylene
Assignee: General Electric Co
•
Filing: 1949-11-25
•
Granted: 1951-02-20
•
Expires: 1969-11-25
Abstract
No abstract record available.
Inventors
- 👤 Murray M Sprung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:07
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08J2327/00; C08J2327/02; C08J2327/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A SUSPENSION COMPRISING (1) A DISPERSED PHASE OF FINELY DIVIDED POLYMERIC CHLOROTRIFLUOROETHYLENE AS THE SOLE POLYMERIC INGREDIENT AND (2) A DISPERSING MEDIUM COMPRISING A CHLORINATED ORGANIC ETHER.
Claim 2
Dependent Claim
27 words
A SUSPENSION COMPRISING (1) A DISPERSED PHASE OF FINELY DIVIDED POLYMERIC CHLOROTRIFLUOROETHYLENE AS THE SOLE POLYMERIC INGREDIENT AND (2) A DISPERSING MEDIUM COMPRISING A CHLORINATED ORGANIC ETHER.
References Cited (Backward Citations)
US2393967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |