Patent US3663981A successfully refreshed from Google Patents.
US3663981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mop having coiled cleaning elements
Assignee: Individual
•
Filing: 1970-08-26
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Granted: 1972-05-23
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Expires: 1990-08-26
Abstract
Abstract A plurality of cleaning elements, two or more, are formed of long strips of nylon net gathered lengthwise centrally of the lengths of the strips and then rolled and the gathered centers of the elements fixed, whereupon one of such elements is fixed with respect to a socket, handle or other element therebelow in such a manner as to protect a surface being cleaned from direct contact with the socket or holder. The remaining elements are secured around the lower portion of the socket or holder and blend with each other and with the lower element to appear as one fluffy cleaning unit of substantial size.
Inventors
- 👤 Malquin S Du Crest
- 👤 Stephen W Du Crest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:12
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
103 words
A mop comprising a holder having upper and lower ends, a lower mop element at the lower end of said holder, and a plurality of upper mop elements surrounding said holder above the lower end thereof and flaring downwardly over said lower element, each said upper mop element being formed of a rolled strip of fabric constricted centrally of the width thereof and having said constricted portion fixed to said holder, and means for securing said lower element to the bottom of said holder so as to prevent the lower end of said holder from coming into contact with a surface being cleaned.
Claim 2
Dependent Claim
103 words
A mop comprising a holder having upper and lower ends, a lower mop element at the lower end of said holder, and a plurality of upper mop elements surrounding said holder above the lower end thereof and flaring downwardly over said lower element, each said upper mop element being formed of a rolled strip of fabric constricted centrally of the width thereof and having said constricted portion fixed to said holder, and means for securing said lower element to the bottom of said holder so as to prevent the lower end of said holder from coming into contact with a surface being cleaned.
Claim 3
Dependent Claim
51 words
A mop according to claim 1 wherein said lower mop element is formed of a rolled strip of fabric constricted centrally thereof to be folded over a transverse element of said lower element securing means, and means for fixing opposite portions of said lower mop element together beneath said transverse element.
Claim 4
Dependent Claim
63 words
A mop according to claim 1 wherein said upper mop elements surrounding the lower end portion of said holder are tightly rolled lengthwise from end to end and constricted centrally of the width of the strip material whereby the material above and below the restricted portion flares outwardly with the portion below said constricted portion flaring to merge with said lower mop element.
Claim 5
Dependent Claim
31 words
A mop according t claim 3 wherein said upper mop elements are engaged against said holder in circumferentially spaced relation, and means for binding said constricted portions tightly to said holder.
Claim 6
Dependent Claim
106 words
A mop according to claim 4 wherein said means for securing said lower mop element to the lower end of said holder comprises a U-shaped member having upper arms secured to said holder and a lower transverse element beneath the lower end of said holder, said lower mop element comprising a long strip of material rolled from end to end and having its portion centrally of the width of such strip of material constricted and folded over said transverse element to depend from said holder on opposite sides of said transverse element, opposite sides of said lower mop element being secured together beneath said transverse element.
Claim 7
Dependent Claim
37 words
A mop according to claim 5 wherein said lower mop element is formed of a fusible plastic material, opposite sides of said lower mop element being secured together by fusing the material thereof beneath said transverse element.
Claim 8
Dependent Claim
50 words
A mop according to claim 3 wherein said upper mop elements are gathered longitudinally of said strip of material intermediate the width thereof and then tightly rolled, the gathering of the material providing the upper mop elements with a constricted central portion with the portions of the strip flared outwardly.
Claim 9
Dependent Claim
33 words
A mop according to claim 6 wherein each said upper mop element is formed of a fusible plastic fabric, the opposite sides of each said strip around said conStricted portion being fused together.
References Cited (Backward Citations)
US2732574A
Cited
US1224524A
Cited
GB492061A
Cited
US2233289A
Cited
US3336618A
Cited
US3205519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |