US2951865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High dielectric constant fluids and plasticizers
Assignee: General Electric Co
•
Filing: 1957-12-10
•
Granted: 1960-09-06
•
Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Mary S Jaffe
- 👤 Robert V Levetan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:03
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08K; C08K5/00; C08K5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
DI-CYANOETHYL PHTHALATE REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
6 words
DI-CYANOETHYL PHTHALATE REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2734071A
Cited
US2750401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |