US3432579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing low-density pellets from slurries containing film-forming materials
Assignee: Phillips Petroleum Co
•
Filing: 1966-07-11
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Granted: 1969-03-11
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Fred J Zavasnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:41
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/461; B01; B01J; B01J2/00; B01J2/22; B29C44/3461; C; C08; C08B; C08B11/00; C08B11/20; C08B17/00; C08B17/02; C08B3/00; C08B3/22; C08B9/00; C08J; C08J9/00; C08J9/16; Y; Y10; Y10S; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2576977A
Cited
US2617169A
Cited
GB743866A
Cited
US2797201A
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US2923034A
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US3014246A
Cited
US2929106A
Cited
US3089194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |