Patent US4690271A successfully refreshed from Google Patents.
US4690271A
Expired / Lapsed
US
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Travel case with screw-in containers
Assignee: Individual
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Filing: 1982-09-20
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Granted: 1987-09-01
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Expires: 2002-09-20
Abstract
Abstract The containers have screw threads on their lower extremities which mate with corresponding screw-threaded elements integral with a rigid bottom of the travel case. These elememts may be projections or indented receptacles. The containers may be screwed to each other when removed from the case.
Inventors
- 👤 Deborah K. Zak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:34
CPC Classifications
A; A45; A45D; A45D40/00; A45C; A45C13/00; A45C13/02; B; B44; B44D; B44D3/00; B44D3/04; A45C3/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
62 words
An enclosed travel case comprising a substantially rigid bottom wall, at least one covered round container which fits within said case and has screw threads on its lower extremity, and a mating threaded element integral with said bottom wall on the inside of said case, whereby said container may be screwed to the threaded element in the bottom wall of said case.
Claim 2
Dependent Claim
62 words
An enclosed travel case comprising a substantially rigid bottom wall, at least one covered round container which fits within said case and has screw threads on its lower extremity, and a mating threaded element integral with said bottom wall on the inside of said case, whereby said container may be screwed to the threaded element in the bottom wall of said case.
Claim 3
Dependent Claim
21 words
The travel case according to claim 1, comprising a plurality of said containers and a corresponding number of said threaded elements.
Claim 4
Dependent Claim
44 words
The travel case according to claim 1 or 2, wherein each threaded element is a receptacle in said bottom wall and has screw threads on its inner walls and wherein each container has mating screw threads on the outer surface of its lower extremity.
Claim 5
Dependent Claim
48 words
The travel case according to claim 1 or 2, wherein each threaded element is a projection on said bottom wall and has screw threads on its outer wall and wherein each container has an indented bottom with mating screw threads on the inner wall of said indented bottom.
Claim 6
Dependent Claim
63 words
The travel case according to claim 4, wherein each container has screw threads around its upper extremity, which mate with the threads on the inner wall of the indented bottom and wherein the respective screw threads of all of the containers have the same circumference and pitch so that said containers may be screwed together in a stack when removed from said case.
References Cited (Backward Citations)
DE961606C
Cited
US2804226A
Cited
US3023884A
Cited
US3091361A
Cited
US3272671A
Cited
US3404811A
Cited
US3467259A
Cited
US3624789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |