Patent US3373121A successfully refreshed from Google Patents.
US3373121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide foam
Assignee: Dow Chemical Co
•
Filing: 1962-02-12
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Granted: 1968-03-12
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Billy E Burgert
- 👤 William G Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:52
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/35; C08J9/04; C08J9/12; C08J9/14; C08J9/141; C08J9/143; C08J9/147; C08J2363/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A CELLULAR RESINOUS SOLID FOAM CONSISTING OF THE REACTION PRODUCT OF: COMPONENT (A) A DIGLYCIDYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF:
Claim 2
Dependent Claim
22 words
A CELLULAR RESINOUS SOLID FOAM CONSISTING OF THE REACTION PRODUCT OF: COMPONENT (A) A DIGLYCIDYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF:
References Cited (Backward Citations)
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Cited
US2824083A
Cited
US2959508A
Cited
US3223654A
Cited
US3051665A
Cited
US3025249A
Cited
US3282863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |