Patent US3270465A successfully refreshed from Google Patents.
US3270465A
Expired / Lapsed
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Lapping machines
Assignee: Individual
•
Filing: 1963-07-12
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Granted: 1966-09-06
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 John J Decoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:31
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/36; B24B37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A LAPPING MACHINE COMPRISING A BASE, A TROUGH MOUNTED ON SAID BASE, AN ABRASIVE MIXTURE IN SAID TROUGH, A SOLID WHEEL HAVING A PERIPHERAL AND SIDE SURFACES MOUNTED ON A ROTARY SHAFT, MEANS FOR SUPPORTING AND ROTATING SAID SHAFT, THE LOWER PORTION OF SAID SOLID WHEEL BEING IMMERSED AND ROTATING IN THE ABRASIVE MIXTURE, WHEREBY A FILM OF ABRASIVE MIXTURE COVERS THE PERIPHERAL AND SIDE SURFACES OF SAID SOILD WHEEL, MEANS FOR CONTROLLING THE THICKNESS OF SAID FILM OF ABRASIVE MIXTURE, MEANS FOR SUPPORTING MATERIAL TO BE PROCESSED IN CONTACT WITH SAID FILM OF ABRASIVE MIXTURE.
Claim 2
Dependent Claim
96 words
A LAPPING MACHINE COMPRISING A BASE, A TROUGH MOUNTED ON SAID BASE, AN ABRASIVE MIXTURE IN SAID TROUGH, A SOLID WHEEL HAVING A PERIPHERAL AND SIDE SURFACES MOUNTED ON A ROTARY SHAFT, MEANS FOR SUPPORTING AND ROTATING SAID SHAFT, THE LOWER PORTION OF SAID SOLID WHEEL BEING IMMERSED AND ROTATING IN THE ABRASIVE MIXTURE, WHEREBY A FILM OF ABRASIVE MIXTURE COVERS THE PERIPHERAL AND SIDE SURFACES OF SAID SOILD WHEEL, MEANS FOR CONTROLLING THE THICKNESS OF SAID FILM OF ABRASIVE MIXTURE, MEANS FOR SUPPORTING MATERIAL TO BE PROCESSED IN CONTACT WITH SAID FILM OF ABRASIVE MIXTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |