US3252176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent pad
Assignee: Dow Chemical Co
•
Filing: 1960-02-04
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Granted: 1966-05-24
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Gropper Harry
- 👤 Gropper Alex
- 👤 Aaron M Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04; A47L17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A YIELDABLE, COMPACT, UNITARY, RESILIENT, PERVIOUS AND FLEXIBLE ABRADING PAD, COMPRISING A PERVIOUS MAIN CORE BODY AND A PERVIOUS, NON-SLIDABLE ABRASIVE AND FRICTIONALLY ADHERING SLEEVE THEREFORE, SAID CORE BODY BEING OF RSILIENT, POROUS AND NORMALLY SELF SHAPE-MAINTAINING PLASTIC, AND SAID SLEEVE BEING OF A TUBULAR KNITTED FABRIC, THE YARN THEREOF INCLUDING CUT EDGE STRIPS OF TOUGH AND RESILIENT MYLAR FILM HAVING REEXPOSABLE AND ABRADING EDGES, THE SAID FABRIC HAVING RESILIENT DEFORMABILITY, AND SAID SLEEVE ASSUMING THE SHAPE OF AND ADHERING TO THE WALLS OF THE CORE, SAID SLEEVE BEING CLOSED AT ONE END.
Claim 2
Dependent Claim
93 words
A YIELDABLE, COMPACT, UNITARY, RESILIENT, PERVIOUS AND FLEXIBLE ABRADING PAD, COMPRISING A PERVIOUS MAIN CORE BODY AND A PERVIOUS, NON-SLIDABLE ABRASIVE AND FRICTIONALLY ADHERING SLEEVE THEREFORE, SAID CORE BODY BEING OF RSILIENT, POROUS AND NORMALLY SELF SHAPE-MAINTAINING PLASTIC, AND SAID SLEEVE BEING OF A TUBULAR KNITTED FABRIC, THE YARN THEREOF INCLUDING CUT EDGE STRIPS OF TOUGH AND RESILIENT MYLAR FILM HAVING REEXPOSABLE AND ABRADING EDGES, THE SAID FABRIC HAVING RESILIENT DEFORMABILITY, AND SAID SLEEVE ASSUMING THE SHAPE OF AND ADHERING TO THE WALLS OF THE CORE, SAID SLEEVE BEING CLOSED AT ONE END.
References Cited (Backward Citations)
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Cited
US1663132A
Cited
GB293898A
Cited
US2107636A
Cited
GB524452A
Cited
US2601771A
Cited
FR1067233A
Cited
US2825914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |