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US3808084A Expired / Lapsed US ⏱️ 0.0 years remaining

Executive coaster

Assignee: National City Bank
•
Filing: 1972-07-07
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Granted: 1974-04-30
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Expires: 1992-07-07
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Abstract

Abstract A coaster for use with a container such as drinking glass comprising a substantially annular base having a stepped shelf formed therein to receive a removable insert. A plurality of retaining nubs are formed on the stepped shelf to detachably secure the insert to the base. In addition, a plurality of apertures are formed on the insert to facilitate separation of the insert and base.

Inventors

  • 👤 R Doty

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 22:26
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/03; Y; Y10; Y10T; Y10T428/00; Y10T428/21; Y10T428/216; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24479; Y10T428/2457

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 127 words
A coaster for use with a container such as drinking glass comprising: a base comprising a hollow outer circular wall, a support shelf comprising a substantially horizontal stepped shelf formed about the inner periphery of said outer circular wall, said stepped shelf including an upper support surface, an annular Z-shaped inner wall and a recessed bottom, said Z-shaped inner wall interconnecting said support surface and said recessed bottom, an insert mounted on said base comprising a flat substantially circular insert, retainer means formed on said base comprising at least one retainer nub formed about the periphery of said support surface and a support ledge formed on said stepped shelf, said retainer nub and said support ledge arranged relative to each other to operatively engage said insert therebetween.
Claim 2
Dependent Claim 127 words
A coaster for use with a container such as drinking glass comprising: a base comprising a hollow outer circular wall, a support shelf comprising a substantially horizontal stepped shelf formed about the inner periphery of said outer circular wall, said stepped shelf including an upper support surface, an annular Z-shaped inner wall and a recessed bottom, said Z-shaped inner wall interconnecting said support surface and said recessed bottom, an insert mounted on said base comprising a flat substantially circular insert, retainer means formed on said base comprising at least one retainer nub formed about the periphery of said support surface and a support ledge formed on said stepped shelf, said retainer nub and said support ledge arranged relative to each other to operatively engage said insert therebetween.
Claim 3
Dependent Claim 24 words
The coaster of claim 1 wherein said upper support surface encloses a plurality of alternating grooves and ridges formed on the upper surface thereof.
Claim 4
Dependent Claim 15 words
The coaster of claim 1 wherein said insert includes at least one aperture form therein.
Claim 5
Dependent Claim 29 words
The coaster of claim 1 wherein said recessed bottom, said insert and said Z-shaped inner wall are arranged relative to one another to cooperatively form a liquid receiving reservoir.
Claim 6
Dependent Claim 196 words
A coaster for use with a container such as a drinking glass comprising: a base comprising a hollow couter circular wall, a support shelf formed on said base, said support shelf comprises a substantially horizontal stepped shelf formed about the inner periphery of said outer circular wall, said stepped shelf including an upper support surface having a plurality of alternating grooves and ridges formed on the upper surface thereof, an annular Z-shaped inner wall and a recess bottom, said Z-shaped inner wall interconnecting said support surface and said recess bottom, an insert mounted on said base said insert comprises a flat substantially circular insert having at least one aperture therein, said circular insert having an inclined outer periphery to detachably engage retainer means, said retainer means comprises at least one retainer nub formed about the periphery of said support surface and a support ledge formed on said stepped shelf, said retainer nub and said support ledge arranged relative to each other to operatively engage said insert therebetween; and said recess bottom said insert and at least a portion of said Z-shaped inner wall are arranged relative to each other to cooperatively form a liquid receiving reservoir.
Claim 7
Dependent Claim 196 words
A coaster for use with a container such as a drinking glass comprising: a base comprising a hollow couter circular wall, a support shelf formed on said base, said support shelf comprises a substantially horizontal stepped shelf formed about the inner periphery of said outer circular wall, said stepped shelf including an upper support surface having a plurality of alternating grooves and ridges formed on the upper surface thereof, an annular Z-shaped inner wall and a recess bottom, said Z-shaped inner wall interconnecting said support surface and said recess bottom, an insert mounted on said base said insert comprises a flat substantially circular insert having at least one aperture therein, said circular insert having an inclined outer periphery to detachably engage retainer means, said retainer means comprises at least one retainer nub formed about the periphery of said support surface and a support ledge formed on said stepped shelf, said retainer nub and said support ledge arranged relative to each other to operatively engage said insert therebetween; and said recess bottom said insert and at least a portion of said Z-shaped inner wall are arranged relative to each other to cooperatively form a liquid receiving reservoir.

References Cited (Backward Citations)

US1981627A Cited
US2118326A Cited
US2257264A Cited
GB542788A Cited
US2704211A Cited
US3268198A Cited
CH432746A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-04-29 1977-10-29 1978-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-04-29 1981-10-29 1982-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-04-29 1985-10-29 1986-04-30 $7700.00 Window Closed / Lapsed

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