Patent US3990441A successfully refreshed from Google Patents.
Patent US3396062A successfully refreshed from Google Patents.
US3396062A
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Method for molding a composite foamed article
Assignee: SWEETHEART PROPERTIES Inc
•
Filing: 1964-07-27
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Granted: 1968-08-06
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 James C White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:59
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C51/00; B29C51/14; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249987; Y10T428/249991; Y10T428/249992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126139A
Cited
US1752402A
Cited
US2120328A
Cited
US2702411A
Cited
US3104192A
Cited
US2979246A
Cited
US3211814A
Cited
US2893877A
Cited
US2958898A
Cited
US3039911A
Cited
US3159698A
Cited
US3234065A
Cited
US3137747A
Cited
US3238565A
Cited
US3203611A
Cited
US3141595A
Cited
US3220902A
Cited
US3199757A
Cited
US3260781A
Cited
US3237834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |