Patent US3568377A successfully refreshed from Google Patents.
US3568377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cooling and cleaning of grinding wheels
Assignee: Individual
•
Filing: 1969-01-02
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Granted: 1971-03-09
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Expires: 1989-01-02
Abstract
Abstract A DEVICE FOR THE COOLING AND CLEANING OF GRINDING WHEELS DURING THE GRINDING OPERATION BY MEANS OF A PRESSURIZED FLUID APPLIED THROUGH NOZZLES TO THE GRINDING SURFACES OF THE GRINDING WHEEL. A MULTITUDE OF NOZZLES ARE PROVIDED IN GNERALLY U-SHAPED BLOCK AND ADAPTED TO DISCHARGE A JET OF A HIGH KINETIC ENERGY WHICH IMPINGES UPON THE GRINDING SURFACES OF THE GRINDING WHEEL. ADDITIONAL MEANS MAY BE PROVIDED FOR REDUCING THE RESISTANCE CAUSED BY AIR TURBULENCE BETWEEN THE NOZZLES AND THE GRINDING WHEEL.
Inventors
- 👤 Robert Blohm
- 👤 Wlodzimierz Sawiuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:51
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/02
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |