US2729332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory screen mounting
Assignee: Allis Chalmers Corp
•
Filing: 1951-04-05
•
Granted: 1956-01-03
•
Expires: 1971-04-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Gruner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:07
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2032082A
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US2043725A
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US2099031A
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US2071373A
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US2222299A
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US2260029A
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US2328614A
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US2284692A
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US2312477A
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US2355829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |