US3185665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear polyesters of methylene-4, 4'-bis
Assignee: EIDP Inc
•
Filing: 1962-07-06
•
Granted: 1965-05-25
•
Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Ronald F Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:04
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/19; C08G63/193; C08G63/197; C08G63/68; C08G63/682; C08G63/6824; C08G63/6826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
POLY(METHYLENE-4,4'' -BIS(2-CHLORO-1-NAPHTHYLENE) SEBACATE).
Claim 2
Dependent Claim
3 words
POLY(METHYLENE-4,4'' -BIS(2-CHLORO-1-NAPHTHYLENE) SEBACATE).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |