Patent US2599852A successfully refreshed from Google Patents.
US2599852A
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US
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Mortar mixer and tumbler
Assignee: Individual
•
Filing: 1951-01-27
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Granted: 1952-06-10
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Expires: 1971-01-27
Abstract
No abstract record available.
Inventors
- 👤 Harold L Mcclain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:37
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/18; B28C5/1806; B28C5/1818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US481532A
Cited
US638688A
Cited
US692059A
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US1019917A
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US1296445A
Cited
US1920025A
Cited
US2507349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |