Patent US2641849A successfully refreshed from Google Patents.
US2641849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement cooler
Assignee: Fuller Co
•
Filing: 1950-09-22
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Granted: 1953-06-16
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Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
- 👤 Lintz Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/0007; B28C7/0023; B28C7/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1868512A
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US2094786A
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US2220193A
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GB509909A
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US2336378A
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US2419245A
Cited
US2567959A
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US2513369A
Cited
US2536099A
Cited
US2527488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |