US2708157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cleanser and method of scouring surfaces
Assignee: Individual
•
Filing: 1953-03-16
•
Granted: 1955-05-10
•
Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:37
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/06; C11D9/18; C11D9/20; C11D9/44; C11D9/444
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A HOUSEHOLD-TYPE ABRASIVE CLEANSER IN THE FORM OF A DRY POWDER, COMPRISING ESSENTIALLY A MIXTURE OF WATERINSOLUBLE ABRASIVE MATERIAL AND SAID DETERGENT MATERIAL, BOTH SAND ABRASIVE MATERIAL AND SAID DETERGENT MATERIAL BEING LIGHT IN COLOR AND SUITABLE FOR USE IN SCOURING THE SURFACES OF HOUSEHOLD OBJECTS SUCH AS BATHTUBS AND KITCHEN UTENSILS, AND CONTAINING FROM .1 TO 2 PARTS BY WEIGHT OF POWDERED, WATER-DISPERSIBLE UTRAMARINE BLUE PER 100 PARTS OF SAID MIXTURE.
Claim 2
Dependent Claim
72 words
A HOUSEHOLD-TYPE ABRASIVE CLEANSER IN THE FORM OF A DRY POWDER, COMPRISING ESSENTIALLY A MIXTURE OF WATERINSOLUBLE ABRASIVE MATERIAL AND SAID DETERGENT MATERIAL, BOTH SAND ABRASIVE MATERIAL AND SAID DETERGENT MATERIAL BEING LIGHT IN COLOR AND SUITABLE FOR USE IN SCOURING THE SURFACES OF HOUSEHOLD OBJECTS SUCH AS BATHTUBS AND KITCHEN UTENSILS, AND CONTAINING FROM .1 TO 2 PARTS BY WEIGHT OF POWDERED, WATER-DISPERSIBLE UTRAMARINE BLUE PER 100 PARTS OF SAID MIXTURE.
Claim 3
Independent Claim
58 words
THE METHOD OF SCOURING A SURFACE CHARACTERIZED BY DISTRIBUTING AN ABRASIVE CLEANSER OVER SAID SURFACE TOGETHER WITH SUFFICIENT ULTRAMARINE BLUE TO VISIBLY COLOR SAID CLEANSER, WETTING THE AREA TO WHICH SAID CLEANSER AND ULTRAMARINE BLUE IS APPLIED TO DISPERSE SAID ULTRAMARINE BLUE AND THEREBY COLOR SAID AREA BLUE, AND SCOURING SAID AREA UNTIL SAID BLUE COLOR SUBSTANTIALLY DISPPEARS.
Claim 4
Independent Claim
58 words
THE METHOD OF SCOURING A SURFACE CHARACTERIZED BY DISTRIBUTING AN ABRASIVE CLEANSER OVER SAID SURFACE TOGETHER WITH SUFFICIENT ULTRAMARINE BLUE TO VISIBLY COLOR SAID CLEANSER, WETTING THE AREA TO WHICH SAID CLEANSER AND ULTRAMARINE BLUE IS APPLIED TO DISPERSE SAID ULTRAMARINE BLUE AND THEREBY COLOR SAID AREA BLUE, AND SCOURING SAID AREA UNTIL SAID BLUE COLOR SUBSTANTIALLY DISPPEARS.
References Cited (Backward Citations)
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Cited
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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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |