US3033542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload arrangement for mining planer
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
•
Filing: 1958-08-06
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Granted: 1962-05-08
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Expires: 1978-08-06
Abstract
No abstract record available.
Inventors
- 👤 Rosler Wulff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:21
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/04; E21C35/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US292095A
Cited
US881075A
Cited
US1918677A
Cited
FR1005173A
Cited
FR59752E
Cited
US2739463A
Cited
US2853893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |