Patent US3561453A successfully refreshed from Google Patents.
US3561453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable ashtray and base
Assignee: Individual
•
Filing: 1969-08-11
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Granted: 1971-02-09
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Expires: 1989-08-11
Abstract
Abstract A disposable insert-type ashtray and base therefor with the tray being made of a single blank of a resilient sheet material having at least an upper heat resistant layer. Fold lines are provided substantially inwardly of and along each edge which permits the blank to be folded along the lines into an open container characterized by a flat bottom, upright inclined and inwardly bowed sidewalls and generally V-shaped corners. A base into which the astray may be inserted for support and readily removed therefrom is a generally hollow body with a top opening and upstanding inwardly inclined spaced projections or lips sized and circumferentially arranged to bear against the sidewalls of the tray to releasably hold it in place and which may also be formed from a disposable blank.
Inventors
- 👤 Jesse J Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:15
CPC Classifications
A; A24; A24F; A24F19/00; A24F19/02; A24F19/025
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
68 words
A disposable tray comprising a single sheet of resilient material including at least an upper external fire-resistant layer, said sheet having the form of an open tray having a flat bottom portion and upright concave side portions outwardly of the periphery of said bottom, and support means to engage at least a pair of oppositely disposed of said side portions to maintain the concavity of the side portions.
Claim 2
Dependent Claim
68 words
A disposable tray comprising a single sheet of resilient material including at least an upper external fire-resistant layer, said sheet having the form of an open tray having a flat bottom portion and upright concave side portions outwardly of the periphery of said bottom, and support means to engage at least a pair of oppositely disposed of said side portions to maintain the concavity of the side portions.
Claim 3
Dependent Claim
17 words
A disposable tray as set forth in claim 1 wherein said support is of generally conical configuration.
Claim 4
Dependent Claim
22 words
A disposable tray as set forth in claim 1 wherein said support is formed of a resilient flat sheet of disposable material.
Claim 5
Dependent Claim
25 words
A disposable tray as set forth in claim 1 wherein said tray has diagonal folds extending inwardly from each corner thereof forming generally V-shaped corners.
Claim 6
Dependent Claim
110 words
An ashtray and base assembly comprising, in combination, a disposable ashtray formed of a single sheet of resilient material having at least an upper external fire resistant layer, said sheet being folded inwardly of and along each side edge thereof to form a hollow open tray having a flat bottom, flexible upwardly directed sides outwardly of the periphery of the bottom and upwardly inclined V-shaped corners between adjacent sidewalls, an open, hollow base for receiving and supporting the folded tray including oppositely disposed inwardly inclined upstanding projections arranged to releasably engage a central portion of at least a pair of oppositely disposed of said side walls to support the tray.
Claim 7
Dependent Claim
110 words
An ashtray and base assembly comprising, in combination, a disposable ashtray formed of a single sheet of resilient material having at least an upper external fire resistant layer, said sheet being folded inwardly of and along each side edge thereof to form a hollow open tray having a flat bottom, flexible upwardly directed sides outwardly of the periphery of the bottom and upwardly inclined V-shaped corners between adjacent sidewalls, an open, hollow base for receiving and supporting the folded tray including oppositely disposed inwardly inclined upstanding projections arranged to releasably engage a central portion of at least a pair of oppositely disposed of said side walls to support the tray.
Claim 8
Dependent Claim
29 words
An ashtray and base assembly as set forth in claim 5 wherein said base has an upstanding projection for engaging the external portion of each sidewall of the ashtray.
Claim 9
Dependent Claim
34 words
An ashtray and base assembly as set forth in claim 5 wherein said base has V-shaped portions at the base of the projection to receive And engage each of the corners of said ashtray.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |