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US3486387A
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Vibrating mechanism
Assignee: Nordberg Manufacturing Co
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Filing: 1967-09-06
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Granted: 1969-12-30
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Expires: 1987-09-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Bray Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:37
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; B06B1/167; 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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US2336082A
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US2445175A
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US2501158A
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GB781514A
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US3189106A
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US3264887A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |