US3040353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite cleaning article and method of manufacturing same
Assignee: Individual
•
Filing: 1958-09-17
•
Granted: 1962-06-26
•
Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Harry Z Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:02
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/436; A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/71; B29C66/712; B29C66/72; B29C66/727; B29C66/73; B29C66/739; B29C66/7392; B29C66/7394; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/845; B29C66/13; B29C66/133; B29L; B29L2031/00; B29L2031/74; B29L2031/7406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOSITE CLEANING ARTICLE COMPRISING A BODY OF POLYURETHANE FOAM, AND AN ABRASIVE LAYER OF NYLON MESH HEAT SEALED INWARDLY OF ITS EDGES TO AT LEAST ONE SIDE
Claim 2
Dependent Claim
28 words
A COMPOSITE CLEANING ARTICLE COMPRISING A BODY OF POLYURETHANE FOAM, AND AN ABRASIVE LAYER OF NYLON MESH HEAT SEALED INWARDLY OF ITS EDGES TO AT LEAST ONE SIDE
References Cited (Backward Citations)
CA518920A
Cited
US2026638A
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US2382169A
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US2698272A
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US2885703A
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US2804728A
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FR1154377A
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US2942285A
Cited
US2904814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |