Patent US3080329A successfully refreshed from Google Patents.
US3080329A
Expired / Lapsed
US
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Polyurethane cellular materials
Assignee: EIDP Inc
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Filing: 1958-07-31
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Granted: 1963-03-05
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Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Barringer Charles Minor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:32
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4205; C08G18/4208; C08G18/4244; C08G18/4247; C08G18/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE860109C
Cited
US2848428A
Cited
FR1161239A
Cited
US2932621A
Cited
US2957832A
Cited
US2962183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |