US3001729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free vibratory crusher
Assignee: PETTIBONE MUILIKEN Corp
•
Filing: 1958-08-19
•
Granted: 1961-09-26
•
Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Robert D Conway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:19
CPC Classifications
B; B02; B02C; B02C1/00; B02C1/02; B02C1/06; 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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US1936742A
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US2097906A
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US2652985A
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DE878753C
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US2766629A
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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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |