US2942285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite cleaning article and method of manufacturing same
Assignee: Individual
•
Filing: 1956-07-17
•
Granted: 1960-06-28
•
Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Harry Z Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A COMPOSITE CLEANING ARTICLE COMPRISING A POLYURETHANE FOAM BODY INTERPOSED BETWEEN LAYERS OF A SYNTHETIC FIBER MESH COVERING WHICH PROVIDE BEING FASTENED FACES ON THE ARTICLE, SAID BODY AND LAYERS BEING FASTENED TOGETHER INWARLDY OF THE PERIPHERY THEREOF A SUFFICIENT
Claim 2
Dependent Claim
40 words
A COMPOSITE CLEANING ARTICLE COMPRISING A POLYURETHANE FOAM BODY INTERPOSED BETWEEN LAYERS OF A SYNTHETIC FIBER MESH COVERING WHICH PROVIDE BEING FASTENED FACES ON THE ARTICLE, SAID BODY AND LAYERS BEING FASTENED TOGETHER INWARLDY OF THE PERIPHERY THEREOF A SUFFICIENT
References Cited (Backward Citations)
US423534A
Cited
US2026638A
Cited
US2052337A
Cited
US2198164A
Cited
FR1070031A
Cited
US2825914A
Cited
US2804728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |