US3707404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parts washer and method of solvent cleaning
Assignee: Build-All Fabricating Inc
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Filing: 1971-05-12
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Granted: 1972-12-26
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Expires: 1991-05-12
Abstract
Abstract A PARTS WASHING BASIN IS SUPPORTED BY A FLUID TANK WHICH IS PARTIALLY FILLED WITH WATER AND PARTIALLY WITH PARTS WASHING SOLVENT FLOATING ABOVE THE WATER, THE DRAIN FROM THE BASIN EXTENDS TO THE BOTTOM OF THE TANK. A PUMP IMMERSED IN TE SOLVENT SUPPLIES SOLVENT TO A NOZZLE FOR WASHING THE PARTS. SOLVENT COLLECTED BY THE DRAIN FORMS A COLUMN SUFFICIENTLY TALL TO FORCE SOLVENT TO THE BOTTOM OF THE DRAIN TO BUBBLE UPWARDLY THROUGH THE WATER, SUBSTANTIALLY CLEANING IT OF FOREIGN MATTER WASHED FROM THE PARTS BY THE SOLVENT.
Inventors
- 👤 Clarence C Carlson
- 👤 Gordon L Duquaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:06
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4418; B; B08; B08B; B08B3/00; B08B3/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-26 | 1976-06-26 | 1976-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-26 | 1980-06-26 | 1980-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-26 | 1984-06-26 | 1984-12-26 | $7700.00 | Window Closed / Lapsed |