US3225495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of peening metals with coated glass beads
Assignee: Prismo Safety Corp
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Filing: 1962-08-16
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Granted: 1965-12-28
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Vries Eduard R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:27
CPC Classifications
B; B24; B24C; B24C11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS OF PEENING METALS WHICH COMPRISES PROPELLING FREE-FLOWING POLISHING MATERIAL AGAINST SAID METAL IN A BLAST OF AIR, SAID POLISHING MATERIAL COMPRISING SPHERICAL GLASS BEADS OF A DIAMETER OF APPROXIMATELY 1/2-50 MILS HAVING A THIN COATING THEREON OF A CURED THERMOSETTING RESIN BINDER CONTAINING POLISHING PARTICLES EMBEDDED THEREIN.
Claim 2
Dependent Claim
49 words
A PROCESS OF PEENING METALS WHICH COMPRISES PROPELLING FREE-FLOWING POLISHING MATERIAL AGAINST SAID METAL IN A BLAST OF AIR, SAID POLISHING MATERIAL COMPRISING SPHERICAL GLASS BEADS OF A DIAMETER OF APPROXIMATELY 1/2-50 MILS HAVING A THIN COATING THEREON OF A CURED THERMOSETTING RESIN BINDER CONTAINING POLISHING PARTICLES EMBEDDED THEREIN.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |