Patent US3001729A successfully refreshed from Google Patents.
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 08:35
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1491431A
Cited
US1668984A
Cited
US1936742A
Cited
DE581267C
Cited
US2097906A
Cited
DE727417C
Cited
US2505132A
Cited
US2652985A
Cited
DE878753C
Cited
US2766629A
Cited
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 |