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US3658236A Expired / Lapsed US ⏱️ 0.0 years remaining

Collapsible disposable ashtray

Assignee: Individual
•
Filing: 1969-10-24
•
Granted: 1972-04-25
•
Expires: 1989-10-24
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Abstract

Abstract A collapsible, disposable ashtray, in which it is provided at the upper edges of the side members with panels arranged in spaced relationship and corresponding in length to the length of the side members, two of said panels being provided with locking flaps and remaining panels with slots, the panels being so designed, interconnected and folded that when erected from the collapsed position of the ashtray they automatically engage within each other and lock the ashtray in a fully erected position and thereby form the opening of the ashtray and the sloping surface surrounding said opening, and that the ashtray at the lower edges of the side members is provided with panels arranged in spaced relationship and corresponding in length to the length of the side members and which when erecting the ashtray automatically and with similar locking means form the bottom of the ashtray.

Inventors

  • 👤 Lars Gustav Ringholm
  • 👤 Rolf Henry Sandberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:52
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/10; Y; Y10; Y10S; Y10S229/00; Y10S229/907

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 265 words
A blank for use in making a collapsible ashtray, and comprising: four rectangular sections spaced in line, and separated by scoring; an end flap connected to one of the end sections and serving to ensure proper closure between the first and fourth sections when the ashtray is erected; first trapezoidal sections attached to alternate rectangular sections, each first trapezoidal section having a base coextensive with and connected to the upper edge of its rectangular section by scoring and having a lock flap extending therefrom; second trapezoidal sections attached to the remaining rectangular sections, each second trapezoidal section having a base coextensive with and connected to the upper edge of its rectangular section by scoring, and having slots adapted to engage and to hold respective lock flaps; a trapezoidal flap extending from and attached by scoring to each second trapezoidal section at a first end thereof; third trapezoidal sections attached to alternate rectangular sections, the base of each third trapezoidal section being coextensive with and connected by scoring to the lower edge of its rectangular section; fourth trapezoidal sections attached to the remaining rectangular sections, the base of each fourth trapezoidal section being coextensive with and connected by scoring to the lower edge of its rectangular section; a triangular flap extending from and attached by scoring to each fourth trapezoidal section at an end thereof, and wherEin each of said slots extend, respectively, from a free edge of each of said second trapezoidal sections toward a corner of each of said second trapezoidal sections defined by the intersection of the base and a second end thereof.
Claim 2
Dependent Claim 265 words
A blank for use in making a collapsible ashtray, and comprising: four rectangular sections spaced in line, and separated by scoring; an end flap connected to one of the end sections and serving to ensure proper closure between the first and fourth sections when the ashtray is erected; first trapezoidal sections attached to alternate rectangular sections, each first trapezoidal section having a base coextensive with and connected to the upper edge of its rectangular section by scoring and having a lock flap extending therefrom; second trapezoidal sections attached to the remaining rectangular sections, each second trapezoidal section having a base coextensive with and connected to the upper edge of its rectangular section by scoring, and having slots adapted to engage and to hold respective lock flaps; a trapezoidal flap extending from and attached by scoring to each second trapezoidal section at a first end thereof; third trapezoidal sections attached to alternate rectangular sections, the base of each third trapezoidal section being coextensive with and connected by scoring to the lower edge of its rectangular section; fourth trapezoidal sections attached to the remaining rectangular sections, the base of each fourth trapezoidal section being coextensive with and connected by scoring to the lower edge of its rectangular section; a triangular flap extending from and attached by scoring to each fourth trapezoidal section at an end thereof, and wherEin each of said slots extend, respectively, from a free edge of each of said second trapezoidal sections toward a corner of each of said second trapezoidal sections defined by the intersection of the base and a second end thereof.
Claim 3
Dependent Claim 42 words
A blank as in claim 1, wherein each of said slots include an extension located at an angle to said slot to facilitate entry of said lock flaps into the slots and to enhance locking of the lock flaps into the slots.

References Cited (Backward Citations)

US2006811A Cited
US2291753A Cited
US3494536A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-04-25 1975-10-25 1976-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-04-25 1979-10-25 1980-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-04-25 1983-10-25 1984-04-25 $7700.00 Window Closed / Lapsed

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