US4159883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning pad
Assignee: IWS Nominee Co Ltd
•
Filing: 1977-07-18
•
Granted: 1979-07-03
•
Expires: 1997-07-18
Abstract
Abstract A cleaning pad with an internal well for cleaning agent consists of at least one surface formed from a tufted textile fabric with the inner ends of the yarns forming the tufts in communication with the cleaning agent in the well, through yarn-containing openings in a plastic film separating the tufted fabric and the well.
Inventors
- 👤 Louis R. Mizell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:19
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02; A47K7/03
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
72 words
A cleaning pad with an internal well for cleaning agent, said pad characterized in that at least one external surface thereof is formed from a fabric and a cleaning agent impervious plastic film, yarn tufts penetrating said fabric and said plastic film, and the inner ends of the yarns forming the tufts of the tufted fabric communicating with cleaning agent in the internal well, solely through yarn-containing openings in said plastic film.
Claim 2
Dependent Claim
72 words
A cleaning pad with an internal well for cleaning agent, said pad characterized in that at least one external surface thereof is formed from a fabric and a cleaning agent impervious plastic film, yarn tufts penetrating said fabric and said plastic film, and the inner ends of the yarns forming the tufts of the tufted fabric communicating with cleaning agent in the internal well, solely through yarn-containing openings in said plastic film.
Claim 3
Dependent Claim
37 words
A cleaning pad as defined in claim 1 further characterized in that an opening is provided along one edge of the pad for inserting a cleaning agent in the internal well and means for sealing said opening.
Claim 4
Dependent Claim
23 words
A cleaning pad as defined in claim 1 further characterized in that all external surfaces thereof are formed from a tufted textile fabric.
Claim 5
Dependent Claim
26 words
The cleaning pad as defined in claim 3 wherein at least two of the external surfaces of the pad are formed from different tufted textile yarns.
Claim 6
Dependent Claim
24 words
The cleaning pad defined in claim 4 wherein one of the tufted pile surfaces comprises looped-yarn pile and another surface comprises a cut pile.
Claim 7
Dependent Claim
16 words
The cleaning pad defined in claim 1 wherein another external surface thereof comprises a non-tufted fabric.
Claim 8
Dependent Claim
16 words
A cleaning pad as defined in claim 1 including an elongated handle attached to the pad.
Claim 9
Dependent Claim
22 words
A cleaning pad as defined in claim 1 further characterized in that one external surface is provided with a hand engaging strap.
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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) | 1982-07-02 | 1983-01-01 | 1983-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-02 | 1987-01-01 | 1987-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-02 | 1991-01-01 | 1991-07-03 | $7700.00 | Window Closed / Lapsed |