Patent US2704731A successfully refreshed from Google Patents.
US2704731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating fabrics
Assignee: Davies Young Soap Co
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Filing: 1952-08-13
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Granted: 1955-03-22
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Expires: 1972-08-13
Abstract
No abstract record available.
Inventors
- 👤 Ralf B Trusler
- 👤 Sutton Barbara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A METHOD OF UNIFORMLY APPLYING A WATER-REPELLENT TO ABSORPTIVE ARTICLES WHICH COMPRISES IMMERSING THE ARTICLE TO BE RENDERED WATER-REPELLENT IN A BODY OF WATER AND A NON-AQUEOUS DRY CLEANING SOLVENT SOLUTION OF A WATER-REPELLENT SELECTED FROM THE GROUP CONSISTING OF RESINS AND WAXES DISPOSED ABOVE THE WATER AND HAVING A HIGHLY CONDUCTIVE, HORIZONTALLY EXTENDING STATIONARY GRID CONNECTED TO GROUND SUPPORTED THEREIN ADJACENT THE BOTTOM THEREOF BUT ABOVE THE TOP OF THE WATER, SAID ARTICLE BEING IMMERSED IN THE PORTION OF THE SOLUTION ABOVE THE GRID, AND REMOVING THE ARTICLE TREATED WITH THE WATERREPELLENT FROM SAID PORTION, THE IMMERSION AND REMOVAL OF THE ARTICLE BEING SUFFICIENT TO EFFECT MOVEMENT OF THE SOLUTION AND OF THE WATER TO CAUSE DISPERSION OF THE WATER THROUGH THE GRID INTO THE SOLUTION IN A LIMITED AMOUNT TRICITY AND TO CONDUCT ANY ELECTRIC CHARGE ON THE SOLUTION WHICH WILL THEN LEAK OFF TO GROUND THROUGH THE GRID.
Claim 2
Independent Claim
151 words
A METHOD OF UNIFORMLY APPLYING A WATER-REPELLENT TO ABSORPTIVE ARTICLES WHICH COMPRISES IMMERSING THE ARTICLE TO BE RENDERED WATER-REPELLENT IN A BODY OF WATER AND A NON-AQUEOUS DRY CLEANING SOLVENT SOLUTION OF A WATER-REPELLENT SELECTED FROM THE GROUP CONSISTING OF RESINS AND WAXES DISPOSED ABOVE THE WATER AND HAVING A HIGHLY CONDUCTIVE, HORIZONTALLY EXTENDING STATIONARY GRID CONNECTED TO GROUND SUPPORTED THEREIN ADJACENT THE BOTTOM THEREOF BUT ABOVE THE TOP OF THE WATER, SAID ARTICLE BEING IMMERSED IN THE PORTION OF THE SOLUTION ABOVE THE GRID, AND REMOVING THE ARTICLE TREATED WITH THE WATERREPELLENT FROM SAID PORTION, THE IMMERSION AND REMOVAL OF THE ARTICLE BEING SUFFICIENT TO EFFECT MOVEMENT OF THE SOLUTION AND OF THE WATER TO CAUSE DISPERSION OF THE WATER THROUGH THE GRID INTO THE SOLUTION IN A LIMITED AMOUNT TRICITY AND TO CONDUCT ANY ELECTRIC CHARGE ON THE SOLUTION WHICH WILL THEN LEAK OFF TO GROUND THROUGH THE GRID.
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) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |