Patent US3385804A successfully refreshed from Google Patents.
US3385804A
Expired / Lapsed
US
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Foamable polystyrene compositions containing fatty acid amide lubricants
Assignee: Atlantic Richfield Co
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Filing: 1964-12-14
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Granted: 1968-05-28
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Earl S Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:47
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/16; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2941964A
Cited
US2857341A
Cited
US2861898A
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US2948698A
Cited
US2956035A
Cited
US3089857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |