US2725373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric polymers
Assignee: EIDP Inc
•
Filing: 1953-05-05
•
Granted: 1955-11-29
•
Expires: 1973-05-05
Abstract
No abstract record available.
Inventors
- 👤 Richard J Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:56
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AN ALLYLICALLY BROMINATED 2,3-DICHLORO-1,3-BUTADIENE POLYMER CONTAINING FROM 16% TO 27% OF BROMINE.
Claim 2
Dependent Claim
12 words
AN ALLYLICALLY BROMINATED 2,3-DICHLORO-1,3-BUTADIENE POLYMER CONTAINING FROM 16% TO 27% OF BROMINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |