US2760729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating crusher
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1952-04-08
•
Granted: 1956-08-28
•
Expires: 1972-04-08
Abstract
No abstract record available.
Inventors
- 👤 Mittag Friedrich Carl Julius
- 👤 Weinrich Georg Hellmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:41
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL45711C
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DE633699C
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US2171115A
Cited
DE665523C
Cited
DE704917C
Cited
DE703862C
Cited
US2469484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |