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Patent US2665893A successfully refreshed from Google Patents.
US2665893A
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Bit securing device for rotary pavement cutters or the like
Assignee: Joy Manufacturing Co
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Filing: 1949-09-10
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Granted: 1954-01-12
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Expires: 1969-09-10
Abstract
No abstract record available.
Inventors
- 👤 Charles F Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:20
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121; B28D1/122; E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0926; E01C23/0933; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US462264A
Cited
DE352817C
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US872890A
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US945675A
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US1320482A
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US2190000A
Cited
GB551996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |