US2766029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable and renewable mounting of cutter bits in cutter chain sockets
Assignee: Cincinnati Mine Machinery Co
•
Filing: 1954-04-23
•
Granted: 1956-10-09
•
Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Armin O Bruestle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:37
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/18; E21C35/19; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T83/00; Y10T83/929; Y10T83/9457; Y10T83/9461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027579A
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US1468866A
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US1375638A
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US1809237A
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US1753441A
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US1966720A
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GB549892A
Cited
US2521089A
Cited
US2613069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |