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Patent US1653576A successfully refreshed from Google Patents.
US1653576A
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Lubricating system for drill heads
Assignee: Cincinnati Bickford Tool Co
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Filing: 1924-12-09
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Granted: 1927-12-20
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Expires: 1944-12-09
Abstract
No abstract record available.
Inventors
- 👤 David C Klausmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:13
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/121; B23Q11/123; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-12-19 | 1931-06-20 | 1931-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-19 | 1935-06-20 | 1935-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-19 | 1939-06-20 | 1939-12-20 | $7700.00 | Window Closed / Lapsed |