Patent US4527574A successfully refreshed from Google Patents.
US4527574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable dental kit
Assignee: Individual
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Filing: 1983-03-25
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Granted: 1985-07-09
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Expires: 2003-03-25
Abstract
Abstract A portable dental kit having, a handle having two ends, a toothbrush attached at one end of the handle, the other end of the handle being open, the handle defining a hollow interior, removable cover means for the toothbrush, toothpaste container shaped and adapted to be inserted into the hollow handle, through the open end, such container having a flexible side wall, and a dispensing opening and closure cap at one end, and at the other end, there being a filling member inserted into the side wall, a filling bore on the interior of the member, and a closure cap removably attachable to the member, the side wall of the container being of reduced diameter with respect to the diameter of the interior of the hollow handle, and there being an enlarged diameter portion at the other end of the container, and a clamping collar encircling the flexible side wall around a portion of filling member and fastening the two together.
Inventors
- 👤 John A. Manfredi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:19
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/0095; A45; A45D; A45D44/00; A45D44/18; A46B11/00; A46B11/001; A46B17/00; A46B17/04; A46B7/00; A46B7/04; A46B7/046; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
250 words
A portable dental kit comprising; a handle having two ends, and a toothbrush attached at one end of said handle, the other end of said handle being open, and said handle defining a hollow interior; removable cover means for said toothbrush; toothpaste container means shaped and adapted to be inserted into said hollow handle, through said open end, said container means having first and second ends and a flexible tubular side wall; a dispensing opening and dispensing cap at a first end thereof; a rigid filling member fitting at least partly into said tubular side wall at said second end of said container means, said filling member having an inner surface defining a filling passageway for insertion of toothpaste into said container means, and having an outer surface defining retention formations thereon engaging the interior of said tubular side wall; threaded means on said filling member, and a filling cap removably attachable thereto for removably losing said filling passageway; a clamping collar fitting around a portion of said flexible tubular side wall and said filling member, said collar gripping and deforming said tubular side wall and forcing same to conform to said retention formations on said filling member, thereby fastening said side wall to said filling member, said filling cap being separate from said clamping collar and being removable for filling of said container means through said filling passsageway in said filling member, and, said clamping collar having an exterior surface shaped to conform to the exterior of said handle.
Claim 2
Dependent Claim
250 words
A portable dental kit comprising; a handle having two ends, and a toothbrush attached at one end of said handle, the other end of said handle being open, and said handle defining a hollow interior; removable cover means for said toothbrush; toothpaste container means shaped and adapted to be inserted into said hollow handle, through said open end, said container means having first and second ends and a flexible tubular side wall; a dispensing opening and dispensing cap at a first end thereof; a rigid filling member fitting at least partly into said tubular side wall at said second end of said container means, said filling member having an inner surface defining a filling passageway for insertion of toothpaste into said container means, and having an outer surface defining retention formations thereon engaging the interior of said tubular side wall; threaded means on said filling member, and a filling cap removably attachable thereto for removably losing said filling passageway; a clamping collar fitting around a portion of said flexible tubular side wall and said filling member, said collar gripping and deforming said tubular side wall and forcing same to conform to said retention formations on said filling member, thereby fastening said side wall to said filling member, said filling cap being separate from said clamping collar and being removable for filling of said container means through said filling passsageway in said filling member, and, said clamping collar having an exterior surface shaped to conform to the exterior of said handle.
Claim 3
Dependent Claim
37 words
A portable dental kit as claimed in claim 1 wherein said filling member has first a generally cylindrical outer portion, and a second frusto-conical tapered outer portion said retention formations being formed between said two outer portions.
Claim 4
Dependent Claim
30 words
A portable dental kit as claimed in claim 2 wherein said retention formations comprise an annular groove formed around said filling member between said cylindrical portion and said frusto-conical portion.
Claim 5
Dependent Claim
36 words
A portable dental kit as claimed in claim 2 wherein said clamping collar comprises a ring having a generally frusto-conical inner surface, and a cylindrical outer surface, corresponding in diameter to the diameter of said handle.
Claim 6
Dependent Claim
44 words
A portable dental kit as claimed in claim 4 wherein said ring has a generally annular rib on its inner surface, adjacent the narrow end of said frusto-conical surface, said ring being adapted to register with said groove and deform said side wall therebetween.
Claim 7
Dependent Claim
34 words
A portable dental kit as claimed in claim 1 including a sleeve portion on said collar, of reduced diameter relative thereto, and including complementary widened portion within said handle for receiving, said sleeve portion.
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) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |