US3284282A
Expired / Lapsed
US
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Apparatus for recovering expandable polystyrene from waste paper foam materials
Assignee: Atlantic Richfield Co
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Filing: 1963-07-11
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Granted: 1966-11-08
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Richard H Immel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B29B17/04; B29B17/0412; B29B2017/0213; B29B2017/0217; B29B2017/0237; B29B2017/0244; B29K; B29K2025/00; B29K2025/04; B29K2025/06; B29K2105/00; B29K2105/04; B29K2711/00; B29K2711/12; B29L; B29L2009/00; B29L2031/00; B29L2031/712; B29L2031/7158; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/52; Y02W30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |