Patent US2896242A successfully refreshed from Google Patents.
US2896242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning and scouring pads
Assignee: Personal Products Co
•
Filing: 1956-05-11
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Granted: 1959-07-28
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Allen R Winch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:30
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ARTICLE OF MANUFACTURE COMPRISING A MASS OF GLASS FIBERS HAVING DIAMETERS OF FROM ABOUT 1 TO ABOUT 15 MICRONS, SAID FIBERS BEINGRANDOMLY MATTED AND BONDED IN THE FORM OF A A CLEANIG AND SCOURING PAD CONTAINING A SOLID, INORGANIC ACIDIC MATERIAL CAPABLE OF YIELDING A PH BELOW IN A ONE PERCENT AQUEOUS SOLUTION IN AN AMOUNT OF FROM ABOUT 0.05 TO ABOUT 5 GRAMS PER CUBIC INCH OF PAD, FROM ABOUT 0.05 TO ABOUT 5 GAMS OF SOLID, INORGANIC WATER-SOLUBLE SALT PER CUBIC INCH
Claim 2
Dependent Claim
85 words
AN ARTICLE OF MANUFACTURE COMPRISING A MASS OF GLASS FIBERS HAVING DIAMETERS OF FROM ABOUT 1 TO ABOUT 15 MICRONS, SAID FIBERS BEINGRANDOMLY MATTED AND BONDED IN THE FORM OF A A CLEANIG AND SCOURING PAD CONTAINING A SOLID, INORGANIC ACIDIC MATERIAL CAPABLE OF YIELDING A PH BELOW IN A ONE PERCENT AQUEOUS SOLUTION IN AN AMOUNT OF FROM ABOUT 0.05 TO ABOUT 5 GRAMS PER CUBIC INCH OF PAD, FROM ABOUT 0.05 TO ABOUT 5 GAMS OF SOLID, INORGANIC WATER-SOLUBLE SALT PER CUBIC INCH
References Cited (Backward Citations)
US2393866A
Cited
US2690385A
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US1435541A
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US1935911A
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US2220451A
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US2295132A
Cited
US2395068A
Cited
US2628199A
Cited
US2715110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |