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US2985279A
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US
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High energy level unidirectional vibratory drive system
Assignee: Individual
•
Filing: 1957-07-03
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Granted: 1961-05-23
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Expires: 1977-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Warren C Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:20
CPC Classifications
B; B65; B65G; B65G27/00; B65G27/10; B65G27/32; B07; B07B; B07B1/00; B07B1/28; B07B1/282; B07B1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810882A
Cited
US2085774A
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US2678720A
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US2684754A
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US2854130A
Cited
US2830696A
Cited
US2868357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |