US2709552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for reducing solid materials utilizing vibratory shock waves
Assignee: Microcyclomat Co
•
Filing: 1952-03-06
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Granted: 1955-05-31
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Expires: 1972-03-06
Abstract
No abstract record available.
Inventors
- 👤 Lecher Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:54
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/18; B01; B01J; B01J3/00; B01J3/06; B01J3/08; B02C13/00; B02C13/14; B02C2013/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |