Patent US2432651A successfully refreshed from Google Patents.
US2432651A
Expired / Lapsed
US
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Ejector
Assignee: Allis Chalmers Corp
•
Filing: 1945-03-01
•
Granted: 1947-12-16
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Expires: 1965-03-01
Abstract
No abstract record available.
Inventors
- 👤 Henry S Bimpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:42
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191121681A
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US1153436A
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US1536630A
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US1633012A
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US1840863A
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US1983634A
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FR803540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |