Patent US3120087A successfully refreshed from Google Patents.
US3120087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mounting metallographic samples
Assignee: Individual
•
Filing: 1962-12-28
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Granted: 1964-02-04
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert H Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:44
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/27
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A METHOD OF MOUNTING AND GRINDING MAGNETIC METALLOGRAPHIC SAMPLES COMPRISING: (A) PARTIALLY FILLING A SHALLOW PAN WITH A SETTABLE BEDDING MATERIAL; (B) PLACING A PLURALITY OF MAGNETIC METALLIC SAMPLES AGAINST THE FLAT FACE OF A MAGNET; (C) SUPPORTING SAID MAGNET ABOVE SAID SETTABLE BEDDING MATERIAL WITH SAID SAMPLES AT LEAST PARTIALLY EMBEDDED THEREIN; (D) CAUSING SAID BEDDING MATERIAL TO SET; (E) SEPARATING SAID MAGNET FROM SAID SAMPLES; (F) PLACING SAID PAN CONTAINING THE BEDDING MATERIAL AND SAMPLES AGAINST A ROTATING ABRASIVE WHEEL; (G) REMOVING SAID PAN CONTAINING SAID SAMPLES FROM THE ABRASIVE WHEEL; (H) HEATING SAID PAN TO REMELT SAID BEDDING MATERIAL; (I) REPLACING SAID MAGNET ABOVE SAID SHALLOW PAN AND SEPARATING SAID SAMPLES FROM SAID BEDDING MATERIAL.
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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |