US3583110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of polishing
Assignee: OI Glass Inc
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Filing: 1968-09-26
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Granted: 1971-06-08
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Expires: 1988-09-26
Abstract
Abstract A method of polishing a glass article such as a television picture faceplate that is held in position on an articulated belt. The belt is equipped with protruding lugs that aid in the grasping and positioning of the article while it is being transported and polished.
Inventors
- 👤 John E Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:47
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/26
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
123 words
The method of grinding and polishing the surface of an article including the steps of: a. moving the article toward a means for removing a thin layer of a portion of the external surface thereof while said article remains essentially in a horizontal position, b. grasping said article by contact against a reentrant surface thereon to deposit said article on said layer-removing means, c. stabilizing said article so that it will not move in a horizontal direction under the influence of tangentially applied loads imposed against said article by said layerremoving means, d. grinding and polishing said article while it is being supported on said layer-removing means, and e. discharging said article from said layer-removing means after it has been ground and polished.
Claim 2
Independent Claim
123 words
The method of grinding and polishing the surface of an article including the steps of: a. moving the article toward a means for removing a thin layer of a portion of the external surface thereof while said article remains essentially in a horizontal position, b. grasping said article by contact against a reentrant surface thereon to deposit said article on said layer-removing means, c. stabilizing said article so that it will not move in a horizontal direction under the influence of tangentially applied loads imposed against said article by said layerremoving means, d. grinding and polishing said article while it is being supported on said layer-removing means, and e. discharging said article from said layer-removing means after it has been ground and polished.
Claim 3
Dependent Claim
21 words
A method as claimed in claim 1 wherein said article is held in fixed position by at least one edge thereof.
References Cited (Backward Citations)
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Cited
US2169772A
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US2236078A
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US2607470A
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US2715796A
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US3339712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |