Patent US2528183A successfully refreshed from Google Patents.
US2528183A
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US
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Method of making abrasive pads
Assignee: George W Borg Corp
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Filing: 1947-12-30
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Granted: 1950-10-31
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Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Arnold William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/04; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/23986; Y10T428/23993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF MANUFACTURING STOCK FOR ABRASIVE PADS, WHICH CONSISTS IN MAKING A KNITTED FABRIC ON A KNITTING MACHINE, WHILE FEEDING STEEL WOOL TO THE NEEDLES OF SAID MACHINE TO INCORPORATE SAID STEEL WOOL IN SAID KNITTED FABRIC AS A PILE, AND JOINING A LAYER OF WOVEN MATERIAL TO THE BACK OF SAID KNITTED FABRIC BY MEANS OF AN ADHESIVE.
Claim 2
Independent Claim
60 words
THE METHOD OF MANUFACTURING STOCK FOR ABRASIVE PADS, WHICH CONSISTS IN MAKING A KNITTED FABRIC ON A KNITTING MACHINE, WHILE FEEDING STEEL WOOL TO THE NEEDLES OF SAID MACHINE TO INCORPORATE SAID STEEL WOOL IN SAID KNITTED FABRIC AS A PILE, AND JOINING A LAYER OF WOVEN MATERIAL TO THE BACK OF SAID KNITTED FABRIC BY MEANS OF AN ADHESIVE.
References Cited (Backward Citations)
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US2115581A
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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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |