US3298053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scouring pads
Assignee: Arthur D Little Inc
•
Filing: 1964-11-05
•
Granted: 1967-01-17
•
Expires: 1984-11-05
Abstract
No abstract record available.
Inventors
- 👤 Paul A Plasse
- 👤 William C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:59
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04; A47L17/08; A47L13/00; A47L13/02; A47L13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SCOURING PAD COMPRISING (1) A LAYER OF CORRUGATED STEEL WOOL IN WHICH THE CORRUGATIONS ARE APPROXIMATELY PERPENDICULAR TO THE STEEL WOOL FIBERS, (2) A BACKING SHEET OF THERMOPLASTIC FILM DEEPLY EMBOSSED OVER ITS NON-PERIPHERAL AREA AND THERMALLY BONDED TO THE SURFACE FIBERS OF ONE SIDE OF SAID LAYER OF STEEL WOOL WITH THE STEEL WOOL BEING SUBSTANTIALLY COMPLETELY EMBEDDED IN SAID BACKING SHEET AT THE PERIPHERY OF SAID PAD AND AT MOST ONLY SUPERFICIALLY BONDED TO SAID BACKING SHEET IN THE NON-PERIPHERAL AREAS THEREOF, AND (3) A HANDLE OF UNITARY THERMOPLASTIC NETTING THERMALLY BONDED TO SAID EMOBSSED BACKING SHEET ALONG AT LEAST ONE RELATIVELY NARROW ZONE WITHIN WHICH THE STEEL WOOL FIBERS ARE SUBSTANTIALLY COMPLETELY EMBEDDED IN SAID BACKING SHEET.
Claim 2
Dependent Claim
121 words
A SCOURING PAD COMPRISING (1) A LAYER OF CORRUGATED STEEL WOOL IN WHICH THE CORRUGATIONS ARE APPROXIMATELY PERPENDICULAR TO THE STEEL WOOL FIBERS, (2) A BACKING SHEET OF THERMOPLASTIC FILM DEEPLY EMBOSSED OVER ITS NON-PERIPHERAL AREA AND THERMALLY BONDED TO THE SURFACE FIBERS OF ONE SIDE OF SAID LAYER OF STEEL WOOL WITH THE STEEL WOOL BEING SUBSTANTIALLY COMPLETELY EMBEDDED IN SAID BACKING SHEET AT THE PERIPHERY OF SAID PAD AND AT MOST ONLY SUPERFICIALLY BONDED TO SAID BACKING SHEET IN THE NON-PERIPHERAL AREAS THEREOF, AND (3) A HANDLE OF UNITARY THERMOPLASTIC NETTING THERMALLY BONDED TO SAID EMOBSSED BACKING SHEET ALONG AT LEAST ONE RELATIVELY NARROW ZONE WITHIN WHICH THE STEEL WOOL FIBERS ARE SUBSTANTIALLY COMPLETELY EMBEDDED IN SAID BACKING SHEET.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |