Patent US4447049A successfully refreshed from Google Patents.
US4447049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for holding a work piece
Assignee: ALUMIN-ART PLATING Co
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Filing: 1982-08-02
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Granted: 1984-05-08
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Expires: 2002-08-02
Abstract
Abstract Adjustable apparatus for firmly holding a workpiece to be treated in a fluid environment wherein the fluid may be agitated, the workpiece and its holding apparatus shaken or otherwise jostled and the whole apparatus and workpiece easily removed from one fluid environment to be placed in another for continued exposure of the workpiece to further treatment.
Inventors
- 👤 Sol Rudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:04
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/06; C25D17/08; B; B25; B25B; B25B11/00; B25B5/00; B25B5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
Apparatus for holding a workpiece to be submersed in a liquid bath against jostling and shaking movement, said apparatus comprising: a main shaft adapted to be vertically disposed having vertically spaced horizontal holes and having top and bottom extremities and a suspension hanger attached to said top extremity; a pair of U-shaped workpiece holders having legs spread outwardly from the bottom thereof to be adjustably attached to said main shaft, each having a hole near the center of the bottom of the U and at least one hook near the end of each leg of said U formed by making a notch near the end of each leg thereof; and at least one pair of nut and bolt assemblies, each bolt of such assembly being disposed through said hole near the center of the bottom of the U of a corresponding one of said U-shaped workpiece holders and also through a selected one of said vertically spaced horizontal holes in said main shaft, and each bolt being of such smaller cross-sectional dimension than the diameter of either of said holes so as to provide a swivel movement of said U-shaped workpiece holder; whereby said pair of workpiece holders may be so positioned and oriented that the hooks thereof may grasp and retain a workpiece of unique size and configuration.
Claim 2
Dependent Claim
219 words
Apparatus for holding a workpiece to be submersed in a liquid bath against jostling and shaking movement, said apparatus comprising: a main shaft adapted to be vertically disposed having vertically spaced horizontal holes and having top and bottom extremities and a suspension hanger attached to said top extremity; a pair of U-shaped workpiece holders having legs spread outwardly from the bottom thereof to be adjustably attached to said main shaft, each having a hole near the center of the bottom of the U and at least one hook near the end of each leg of said U formed by making a notch near the end of each leg thereof; and at least one pair of nut and bolt assemblies, each bolt of such assembly being disposed through said hole near the center of the bottom of the U of a corresponding one of said U-shaped workpiece holders and also through a selected one of said vertically spaced horizontal holes in said main shaft, and each bolt being of such smaller cross-sectional dimension than the diameter of either of said holes so as to provide a swivel movement of said U-shaped workpiece holder; whereby said pair of workpiece holders may be so positioned and oriented that the hooks thereof may grasp and retain a workpiece of unique size and configuration.
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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) | 1987-05-08 | 1987-11-07 | 1988-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-08 | 1991-11-07 | 1992-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-08 | 1995-11-07 | 1996-05-08 | $7700.00 | Window Closed / Lapsed |