Patent US2855627A successfully refreshed from Google Patents.
US2855627A
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US
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Pellet molding apparatus
Assignee: Phillips Petroleum Co
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Filing: 1953-11-06
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Granted: 1958-10-14
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Expires: 1973-11-06
Abstract
No abstract record available.
Inventors
- 👤 Spencer S Prentiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:13
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/227; B29; B29B; B29B9/00; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906; Y10S425/00; Y10S425/101; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2174; Y10T83/404; Y10T83/412; Y10T83/869; Y10T83/8765; Y10T83/8821; Y10T83/8841; Y10T83/8843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1029488A
Cited
FR465939A
Cited
US1533649A
Cited
US2316298A
Cited
US2323785A
Cited
US2614290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |