US2965365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bit and resilient holding means therefor
Assignee: Cincinnati Mine Machinery Co
•
Filing: 1958-04-14
•
Granted: 1960-12-20
•
Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Claude B Krekeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:30
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/18; E21C35/19; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB392773A
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US2168794A
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US2115994A
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US2427651A
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US2546457A
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US2743917A
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US2798715A
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US2846790A
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US2907559A
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US2790668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |