Patent US3377322A successfully refreshed from Google Patents.
US3377322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic polyurethane elastomers suitable for injection molding
Assignee: EIDP Inc
•
Filing: 1963-12-30
•
Granted: 1968-04-09
•
Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Witsiepe William Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:38
CPC Classifications
C; C08; C08G; C08G71/00; C08G69/00; C08G69/02; C08G69/26; C08G69/40; C08L; C08L75/00; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AN INJECTION MOLDABLE THERMOPLASTIC ELASTOMER CONSISTING ESSENTIALLY OF THE RECURRING UNITS (A)
Claim 2
Dependent Claim
12 words
AN INJECTION MOLDABLE THERMOPLASTIC ELASTOMER CONSISTING ESSENTIALLY OF THE RECURRING UNITS (A)
References Cited (Backward Citations)
US2708617A
Cited
US2929802A
Cited
US2929801A
Cited
US2894935A
Cited
US2962470A
Cited
US3044987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |