US2947181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant vibration exciter
Assignee: Chain Belt Co
•
Filing: 1953-01-16
•
Granted: 1960-08-02
•
Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert M Carrier
- 👤 John M Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:03
CPC Classifications
B; B65; B65G; B65G27/00; B65G27/10; B65G27/28; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064; Y10T74/18344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757392A
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US1820239A
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DE630002C
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US2179442A
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GB475638A
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US2333435A
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US2332600A
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US2353492A
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US2575143A
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FR1027230A
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US2636719A
Cited
DE828944C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |