Patent US3717898A successfully refreshed from Google Patents.
US3717898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam brush
Assignee: Individual
•
Filing: 1970-11-09
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Granted: 1973-02-27
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Expires: 1990-11-09
Abstract
Abstract A brush for dusting and for removing snow from automotive windshields and the like made up of a rigid handle having a slot cut in one end and a rectangular block of relatively flexible closed cell foam disposed in the slot with rivets holding the foam in clamped relationship in the slot. The foam material extends from one side of the handle several inches so that it can be used to get into recesses in windshields and similar places.
Inventors
- 👤 K Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:51
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/42; A47L13/46; A47L1/00; A47L1/06; B; B60; B60S; B60S3/00; B60S3/04; B60S3/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A brush for sweeping snow from windshields and the like comprising a rigid handle having a hand engaging portion and a foam engaging portion, said handle being of substantially constant length and width overall and substantially square in cross section, a block of relatively flexible closed cell foam material, an open ended slot in said handle extending from said hand engaging portion through said foam engaging portion, said slot being relatively narrow, said slot receiving an intermediate part of said foam material whereby a portion of said foam material extends substantially from one side of said handle and a lesser part extends from the other side of said handle, said foam material being substantially coextensive in length with said foam engaging portion of said handle and a portion of said foam extending beyond the end of said handle, said foam material being polyurethane and said foam material is approximately one inch in thickness and approximately 5 inches in width, said slot being less than one-sixteenth of an inch in width.
Claim 2
Dependent Claim
170 words
A brush for sweeping snow from windshields and the like comprising a rigid handle having a hand engaging portion and a foam engaging portion, said handle being of substantially constant length and width overall and substantially square in cross section, a block of relatively flexible closed cell foam material, an open ended slot in said handle extending from said hand engaging portion through said foam engaging portion, said slot being relatively narrow, said slot receiving an intermediate part of said foam material whereby a portion of said foam material extends substantially from one side of said handle and a lesser part extends from the other side of said handle, said foam material being substantially coextensive in length with said foam engaging portion of said handle and a portion of said foam extending beyond the end of said handle, said foam material being polyurethane and said foam material is approximately one inch in thickness and approximately 5 inches in width, said slot being less than one-sixteenth of an inch in width.
References Cited (Backward Citations)
US673621A
Cited
US938421A
Cited
FR796958A
Cited
US2214972A
Cited
FR1076916A
Cited
US2915768A
Cited
US3458268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |