Patent US2636719A successfully refreshed from Google Patents.
US2636719A
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Mechanism for producing hard vibrations for compaction and conveying of materials
Assignee: O CONNOR PATENT Co
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Filing: 1950-02-01
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Granted: 1953-04-28
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Expires: 1970-02-01
Abstract
No abstract record available.
Inventors
- 👤 John C O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:17
CPC Classifications
B; B65; B65G; B65G27/00; B65G27/10; B65G27/28; B65G27/30; B06; B06B; B06B1/00; B06B1/10; B06B1/16; E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/074; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |