Patent US3493634A successfully refreshed from Google Patents.
US3493634A
Expired / Lapsed
US
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Polyurethanes for injection molding containing polyether,polyester and glycol
Assignee: Goodrich Corp
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Filing: 1966-05-23
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Granted: 1970-02-03
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Edmond G Kolycheck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/08; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/4009; C08G18/4018; C08G18/65; C08G18/66; C08G18/6603; C08G18/6607; C08G2350/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA583363A
Cited
US2741800A
Cited
US2998403A
Cited
US2871218A
Cited
US3015650A
Cited
FR1359969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |