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US2626191A
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Assignee: National Malleable and Steel Castings Co
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Filing: 1949-03-11
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Granted: 1953-01-20
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Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 Albert O Buckius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:22
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/20; B61F15/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029521A
Cited
US2258584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |