US3544518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of foamed 1-olefin polymer articles using an insulated mold
Assignee: Phillips Petroleum Co
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Filing: 1968-01-22
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Granted: 1970-12-01
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Roy L Bodkins
- 👤 Donald G Needham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; B; B29; B29C; B29C33/00; B29C33/56; B29C44/00; B29C44/02; B29C44/04; B29C44/0407; B29K; B29K2023/00; B29K2105/00; B29K2105/04; B29K2995/00; B29K2995/0018; B29K2995/0022; C08J2323/00; C08J2323/02; Y; Y10; Y10S; Y10S264/00; Y10S264/14; Y10S264/83; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31931
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |