Patent US2887718A successfully refreshed from Google Patents.
US2887718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellet mill
Assignee: Sprout Waldron and Co Inc
•
Filing: 1955-02-15
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Granted: 1959-05-26
•
Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 John B Curran
- 👤 Joseph L Grahek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:37
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/20; B30B11/201; B30B11/22; B30B11/227; B29; B29B; B29B9/00; B29B9/02; B29B9/06; Y; Y10; Y10S; Y10S425/00; Y10S425/101; Y10S425/113; Y10S425/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2623243A
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US2531739A
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US2520337A
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US2597553A
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US2565830A
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US2700941A
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US2755509A
Cited
US2653350A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |