Patent US3396671A successfully refreshed from Google Patents.
US3396671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable tamper blade assembly
Assignee: JACKSON VIBRATORS Inc
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Filing: 1966-02-21
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Granted: 1968-08-13
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wilmer W Roseberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:46
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12; E01B27/13; E01B27/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US492283A
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US662081A
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US836986A
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US1017105A
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US1191793A
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US1298837A
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US2137842A
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US2934026A
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US2892417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |