US2965556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the electro-mechanical polishing of surfaces
Assignee: H Struers Chemiske Laboratorium
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Filing: 1959-04-15
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Granted: 1960-12-20
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Expires: 1979-04-15
Abstract
No abstract record available.
Inventors
- 👤 Damgaard Laurits Gudmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:13
CPC Classifications
B; B24; B24B; B24B1/00; B24B1/002; B24B29/00; C; C25; C25F; C25F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN APPARATUS FOR THE ELECTRO-MECHANICAL POLISHING OF SURFACES COMPRISING A FLAT OPEN-TOPPED VESSEL MOUNTED FOR ROTATION ABOUT A SUBSTANTIALLY VERTICAL AXIS, SAID VESSEL HAVING A BOTTOM AND AN UPSTANDING PERIPHERAL WALL INTEGRAL THEREWITH, A FLAT DISC FORMING A SEPARATE PART MOUNTED ON THE BOTTOM OF SAID VESSEL FOR ROTATION THEREWITH, SAID DISC BEING COAXIALLY DISPOSED WITH RESPECT TO SAID VESSEL AND BEING LOCATED IN ITS ENTIRETY BELOW THE UPPER EDGE OF SAID SIDE WALL, A POLISHING CLOTH STRETCHED ON THE TOP SURFACE OF SAID DISC INDEPENDENTLY OF SAID VESSEL, AND MEANS FOR SUPPLYING CURRENT TO SAID DISC.
Claim 2
Independent Claim
97 words
AN APPARATUS FOR THE ELECTRO-MECHANICAL POLISHING OF SURFACES COMPRISING A FLAT OPEN-TOPPED VESSEL MOUNTED FOR ROTATION ABOUT A SUBSTANTIALLY VERTICAL AXIS, SAID VESSEL HAVING A BOTTOM AND AN UPSTANDING PERIPHERAL WALL INTEGRAL THEREWITH, A FLAT DISC FORMING A SEPARATE PART MOUNTED ON THE BOTTOM OF SAID VESSEL FOR ROTATION THEREWITH, SAID DISC BEING COAXIALLY DISPOSED WITH RESPECT TO SAID VESSEL AND BEING LOCATED IN ITS ENTIRETY BELOW THE UPPER EDGE OF SAID SIDE WALL, A POLISHING CLOTH STRETCHED ON THE TOP SURFACE OF SAID DISC INDEPENDENTLY OF SAID VESSEL, AND MEANS FOR SUPPLYING CURRENT TO SAID DISC.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |