Patent US3302257A successfully refreshed from Google Patents.
US3302257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for casting rings by the lost wax process
Assignee: Individual
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Filing: 1964-08-04
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Granted: 1967-02-07
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Morton S Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:37
CPC Classifications
B; B22; B22D; B22D25/00; B22D25/02; B22D25/026; B22C; B22C9/00; B22C9/02; B22C9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF MAKING A RING HAVING A BODY PORTION AND DECORATED ANNULAR BEZEL AT ONE END THEREOF IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THAT OF SAID BODY PORTION COMPRISING THE STEPS OF FORMING A BLANK OF SOFT METAL HAVING A BEZEL SURFACE, ROUTING A LEGEND IN SAID SURFACE, PROVIDING A MOLD CAVITY CORRESPONDING TO THE SIZE AND CONTOUR OF SAID BODY PORTION, HOLDING SAID BLANK ADJACENT SAID MOLD CAVITY SO THAT SAID BEZEL SURFACE EXTENDS SUBSTANTIALLY AT RIGHT ANGLES TO THE PLANE OF SAID MOLD CAVITY TO FORM AN ADDITIONAL MOLD CAVITY CORRESPONDING TO SAID BEZEL, MOLDING THE ENTIRE RING IN SAID CAVITIES IN WAX AND CASTING SAID RING IN METAL VIA THE THE LOST WAX PROCESS.
Claim 2
Independent Claim
118 words
A METHOD OF MAKING A RING HAVING A BODY PORTION AND DECORATED ANNULAR BEZEL AT ONE END THEREOF IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THAT OF SAID BODY PORTION COMPRISING THE STEPS OF FORMING A BLANK OF SOFT METAL HAVING A BEZEL SURFACE, ROUTING A LEGEND IN SAID SURFACE, PROVIDING A MOLD CAVITY CORRESPONDING TO THE SIZE AND CONTOUR OF SAID BODY PORTION, HOLDING SAID BLANK ADJACENT SAID MOLD CAVITY SO THAT SAID BEZEL SURFACE EXTENDS SUBSTANTIALLY AT RIGHT ANGLES TO THE PLANE OF SAID MOLD CAVITY TO FORM AN ADDITIONAL MOLD CAVITY CORRESPONDING TO SAID BEZEL, MOLDING THE ENTIRE RING IN SAID CAVITIES IN WAX AND CASTING SAID RING IN METAL VIA THE THE LOST WAX PROCESS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |