US3574879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush and case compound
Assignee: Individual
•
Filing: 1969-07-01
•
Granted: 1971-04-13
•
Expires: 1989-07-01
Abstract
Abstract A toothbrush or the like bristle-carrying body the shank of which is carried by an advantageously tubular rear section inside which it may collapse, the shifting of said body into and out of said rear section being performed frictionally by the throttled part of a case adapted to receive the brush, said throttled part engaging the bristles to ride over them frictionally so as to shift said body in the desired direction.
Inventors
- 👤 Winfried Werding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:28
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/02; A46B7/023; A45; A45D; A45D44/00; A45D44/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
119 words
A brush and case compound comprising a brush including a bristle-carrying body, bristles carried by said body and a rear shank section with reference to which said body is slidingly carried between a collapsed position and a forwardly projecting operative position and adapted to securely hold the body in its projecting position, and a case provided with an open end and a throttled part adjacent said end and adapted to be fitted over the rear shank section and projecting body to make said throttled part frictionally engage the bristles on the body thereby to urge first said body back into its collapsed position and then to pass over the bristles and enclose the rear shank section and collapsed body.
Claim 2
Dependent Claim
119 words
A brush and case compound comprising a brush including a bristle-carrying body, bristles carried by said body and a rear shank section with reference to which said body is slidingly carried between a collapsed position and a forwardly projecting operative position and adapted to securely hold the body in its projecting position, and a case provided with an open end and a throttled part adjacent said end and adapted to be fitted over the rear shank section and projecting body to make said throttled part frictionally engage the bristles on the body thereby to urge first said body back into its collapsed position and then to pass over the bristles and enclose the rear shank section and collapsed body.
Claim 3
Dependent Claim
21 words
A brush and case compound as claimed in claim 1 adapted to releasably lock the brush body in its projecting position.
Claim 4
Dependent Claim
82 words
A brush and case compound as claimed in claim 1 wherein the rear shank section is tubular and encloses the bristle-carrying body and at least one of said brush parts, the rear shank section and the body, is provided with an annular groove facing the other brush part adjacent the location of the front end of the rear section, the brush including furthermore an annular packing fitted in said groove and adapted to releasably lock the brush body in its projecting position.
Claim 5
Dependent Claim
35 words
A brush and case compound as claimed in claim 1 wherein the outer rear portion of the rear shank section flares outwardly to engage frictionally the open end of the case adjacent its throttled part.
Claim 6
Dependent Claim
70 words
A brush and case compound as claimed in claim 1 wherein the throttled part of the case includes a corrugation extending towards the open end of said case and wherein the outer surface of the rear portion of the rear shank section flares outwardly to engage frictionally the open end of the case and is provided with a longitudinal corrugation mating the corrugation on the throttled part of the case.
Claim 7
Dependent Claim
24 words
A brush and case according to claim 1, iNcluding means to develop a disinfecting atmosphere within said case during storage of the brush therein.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |