US3071557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented polymers
Assignee: EIDP Inc
•
Filing: 1958-03-28
•
Granted: 1963-01-01
•
Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Frazer August Henry
- 👤 Jr Joseph Clois Shivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:55
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/60; C08G18/603; C08G18/61; C08G18/64; C08G18/6453; C08G18/67; C08G18/69; C08G18/696; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7614; Y; Y10; Y10S; Y10S264/00; Y10S264/77; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
35 words
AN ELASTIC ESSENTIALLY LINEAR BLOCK POLYMER HAVING IN FIBER FORM, A TENSILE RECOVERY OF ABOVE 90% AND A STRESS DECAY BELOW 20% IN THE ABSENCE OF A CROSS-LINKING TREATMENT, AND HAVING THE FOLLOWING REPREATING STRUCTURE
Claim 2
Dependent Claim
35 words
AN ELASTIC ESSENTIALLY LINEAR BLOCK POLYMER HAVING IN FIBER FORM, A TENSILE RECOVERY OF ABOVE 90% AND A STRESS DECAY BELOW 20% IN THE ABSENCE OF A CROSS-LINKING TREATMENT, AND HAVING THE FOLLOWING REPREATING STRUCTURE
Claim 3
Dependent Claim
10 words
A SOLUTION COMPRISING THE POLYMER OF CLAIM 1 IN DIMETHYLFORMAMIDE.
References Cited (Backward Citations)
GB779806A
Cited
US2813775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |