Patent US3177627A successfully refreshed from Google Patents.
US3177627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rejuvenation of abrasive surfaces
Assignee: Boeing Co
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Filing: 1962-08-03
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Granted: 1965-04-13
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Martin M Guibert
- 👤 Jr Curtis S Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:24
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
MECHANISM FOR USE IN THE GRINDING OF METAL WORKPIECES, TO EXTEND THE USEFUL LIFE OF THE ABRASIVE TOOL EMPLOYED, WHICH COMPRISES, IN COMBINATION WITH SUCH AN ABRASIVE TOOL, AN OIL SPRAY NOZZLE LOCATED FOR DISCHARGE OF AN OIL LUBRICANT UPON THE ABRASIVE SURFACE OF THE TOOL, AN AIR BLAST NOZZLE ALSO LOCATED FOR DISCHARGE OF AIR ONTO THE ABRASIVE SURFACE, AND MEANS OPERABLE AFTER A PREDETERMINED PERIOD OF GRINDING TO EFFECT FOR LIMITED TIMES DISCHARGE OF AIR FOLLOWED BY DISCHARGE OF OIL AT THE RESPECTIVE NOZZLES.
References Cited (Backward Citations)
US3123951A
Cited
US3123950A
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US1637487A
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US1791917A
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US2453710A
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US2917160A
Cited
US2914892A
Cited
GB865201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |