US3093937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic lapping machines
Assignee: Cavitron Ultrasonics Inc
•
Filing: 1962-11-30
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Granted: 1963-06-18
•
Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Balamuth Lewis
- 👤 Kuris Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:35
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/08; B24B1/00; B24B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A LAPPING MACHINE COMPRISING (A) A CIRCULAR RING HAVING AN ANNULAR LAPPING SURFACE, (B) VIBRATION GENERATING MEANS COUPLED TO SAID RING TO EFFECT RADIAL VIBRATION OF THE LATTER AT A HIGH FREQUENCY, (C) MEANS FOR PRESSING THE WORKPIECES TO BE LAPPED AGAINST SAID LAPPING SURFACE, AND (D) MEANS FOR SUPPLYING AN ABRASIVE SLURRY IN BETWEEN SAID LAPPING SURFACE AND THE SURFACES OF THE WORKPIECE PRESSED THEREAGAINST SO THAT SAID HIGH FREQUENCY VIBRATIONS CAUSE THE ABRASIVE TO SMOOTHLY FINISH SAID SURFACES OF THE WORKPIECES.
Claim 2
Dependent Claim
83 words
A LAPPING MACHINE COMPRISING (A) A CIRCULAR RING HAVING AN ANNULAR LAPPING SURFACE, (B) VIBRATION GENERATING MEANS COUPLED TO SAID RING TO EFFECT RADIAL VIBRATION OF THE LATTER AT A HIGH FREQUENCY, (C) MEANS FOR PRESSING THE WORKPIECES TO BE LAPPED AGAINST SAID LAPPING SURFACE, AND (D) MEANS FOR SUPPLYING AN ABRASIVE SLURRY IN BETWEEN SAID LAPPING SURFACE AND THE SURFACES OF THE WORKPIECE PRESSED THEREAGAINST SO THAT SAID HIGH FREQUENCY VIBRATIONS CAUSE THE ABRASIVE TO SMOOTHLY FINISH SAID SURFACES OF THE WORKPIECES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |