US2874032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dissolver
Assignee: Borg Warner Corp
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Filing: 1955-10-04
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Granted: 1959-02-17
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Richard L Kuehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:42
CPC Classifications
A; A62; A62B; A62B21/00; B; B01; B01F; B01F21/00; B01F21/15; B01F21/20; Y; Y10; Y10S; Y10S261/00; Y10S261/46; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A DEVICE FOR MAINTAINING AT A SUBSTANTIALLY UNIFORM STRENGHT, LESS THAN SATURATION, A BATH OF CHEMICALLY ACTIVE SOLUTION WHICH IS SUBJECT TO CONTINUOUS DEPLETION OF ITS DISSOLVE CONTENT WITH ATTENDANT REDUCTION OF ITS GRAVITY, COMPRISING MEANS FOR RETAINING THE BATH; A FORAMINOUS CONTAINER FOR SOLUTE SUBMERGED IN SAID BATH; AND AN ENCLOSING STRUCTURE OFFERING LIQUID-FILLED LABYRINTHINE COMMUNICATION BETWEEN THE FORAMINOUS CONTAINER AND THE MAIN PORTION OF THE BATH, AND COMPRISING A PLURALITY OF UPRIGHT CUP-LIKE MEMBERS OPEN AT THEIR TOPS AND EACH PROJECTING ABOVE THE LEVEL OF THE LIQUID BATH AND HAVING CLOSED BOTTOMS, SAID MEMBERS BEING GRADUATED IN SIZE, THE SMALLEST ENCIRCLING SAID CONTAINER AND EACH OF THE OTHERS ENCIRCLING AND SPACE FROM THE NEXT SMALLER, SAID CLOSED BOTTOMS SIMILARLY BEING SPACED APART, EACH OF SAIC MEMBERS HAVING IN ITS SIDE WALL A RESTRICTED INLET FIG-01 OPENING AND A RESTRICTED OUTLET OPENING OFFSET VERTICALLY SO THAT THE OUTLET OPEINGS LEAD FROM LOWER LEVELS AS COMPARED WITH THE INLET OPENINGS, AND LEAD FROM THE SPATIAL INTERVAL BETWEEN THE BOTTOMOF A CUP-LIKE MEMBER AND THE BOTTOM OF THE CUP-LIKE MEMBER ENCIRCLED BY IT.
Claim 2
Independent Claim
182 words
A DEVICE FOR MAINTAINING AT A SUBSTANTIALLY UNIFORM STRENGHT, LESS THAN SATURATION, A BATH OF CHEMICALLY ACTIVE SOLUTION WHICH IS SUBJECT TO CONTINUOUS DEPLETION OF ITS DISSOLVE CONTENT WITH ATTENDANT REDUCTION OF ITS GRAVITY, COMPRISING MEANS FOR RETAINING THE BATH; A FORAMINOUS CONTAINER FOR SOLUTE SUBMERGED IN SAID BATH; AND AN ENCLOSING STRUCTURE OFFERING LIQUID-FILLED LABYRINTHINE COMMUNICATION BETWEEN THE FORAMINOUS CONTAINER AND THE MAIN PORTION OF THE BATH, AND COMPRISING A PLURALITY OF UPRIGHT CUP-LIKE MEMBERS OPEN AT THEIR TOPS AND EACH PROJECTING ABOVE THE LEVEL OF THE LIQUID BATH AND HAVING CLOSED BOTTOMS, SAID MEMBERS BEING GRADUATED IN SIZE, THE SMALLEST ENCIRCLING SAID CONTAINER AND EACH OF THE OTHERS ENCIRCLING AND SPACE FROM THE NEXT SMALLER, SAID CLOSED BOTTOMS SIMILARLY BEING SPACED APART, EACH OF SAIC MEMBERS HAVING IN ITS SIDE WALL A RESTRICTED INLET FIG-01 OPENING AND A RESTRICTED OUTLET OPENING OFFSET VERTICALLY SO THAT THE OUTLET OPEINGS LEAD FROM LOWER LEVELS AS COMPARED WITH THE INLET OPENINGS, AND LEAD FROM THE SPATIAL INTERVAL BETWEEN THE BOTTOMOF A CUP-LIKE MEMBER AND THE BOTTOM OF THE CUP-LIKE MEMBER ENCIRCLED BY IT.
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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |