US2635752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel motion translation device for vibratory screens
Assignee: Allis Chalmers Corp
•
Filing: 1950-03-20
•
Granted: 1953-04-21
•
Expires: 1970-03-20
Abstract
No abstract record available.
Inventors
- 👤 Alexander J Roubal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48; B07B1/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US25256A
Cited
GB190412039A
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US1518236A
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US1783617A
Cited
US2000426A
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US2139089A
Cited
GB501591A
Cited
US2392812A
Cited
US2338523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |