Patent US4975311A successfully refreshed from Google Patents.
Patent US2849806A successfully refreshed from Google Patents.
US2849806A
Expired / Lapsed
US
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Pellet cooler
Assignee: Sprout Waldron and Co Inc
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Filing: 1955-02-09
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Granted: 1958-09-02
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Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Grahek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:52
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14; A; A23; A23N; A23N17/00; A23N17/005; F26; F26B; F26B17/00; F26B17/12; F26B17/122; F26B17/126
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |