US2778230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive drive vibratory mechanism
Assignee: Individual
•
Filing: 1952-08-09
•
Granted: 1957-01-22
•
Expires: 1972-08-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:04
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)
US8727A
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US16717A
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US415941A
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US565176A
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US1719123A
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US2200806A
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US2127317A
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US2206386A
Cited
US2248182A
Cited
US2366033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |