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US4546946A
Expired / Lapsed
US
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Coaster with removable support plate
Assignee: Individual
•
Filing: 1984-03-26
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Granted: 1985-10-15
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Expires: 2004-03-26
Abstract
Abstract A coaster having a base member defining a cavity and an upwardly directed opening to the cavity, and a support plate removably mounted in the cavity so as to support a vessel on its exposed upper surface.
Inventors
- 👤 Richard B. Jenison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:36
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/03
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
164 words
A coaster comprising a base member defining a circular cavity and an upwardly directed opening to said cavity, said base member having an elongated support extending only along a single axis through the center of said cavity and extending substantially across said cavity, a projection extending into said opening to said cavity at a location higher than said elongated support, and a pair of edge supports on opposite sides of said elongated support at the same height as said elongated support, and a support plate removably mounted in said cavity so as to support a vessel on its exposed upper surface, said plate being supported by said elongated support and said edge supports, said plate having a notch adapted to pass by said projection without interference as said plate is moved through said opening, said plate being mounted for rotatable movement when below said projection to move a portion of said plate under said projection so as to interfere with removal of said plate.
Claim 2
Dependent Claim
164 words
A coaster comprising a base member defining a circular cavity and an upwardly directed opening to said cavity, said base member having an elongated support extending only along a single axis through the center of said cavity and extending substantially across said cavity, a projection extending into said opening to said cavity at a location higher than said elongated support, and a pair of edge supports on opposite sides of said elongated support at the same height as said elongated support, and a support plate removably mounted in said cavity so as to support a vessel on its exposed upper surface, said plate being supported by said elongated support and said edge supports, said plate having a notch adapted to pass by said projection without interference as said plate is moved through said opening, said plate being mounted for rotatable movement when below said projection to move a portion of said plate under said projection so as to interfere with removal of said plate.
Claim 3
Dependent Claim
26 words
The coaster of claim 1 wherein said support plate has different opposite surfaces, whereby said plate can be reversed to provide a different exposed upper surface.
Claim 4
Dependent Claim
20 words
The coaster of claim 1 wherein there are two projections on opposite sides of said elongated support and two notches.
Claim 5
Dependent Claim
21 words
The coaster of claim 3 wherein said edge supports are located under said projections for supporting said plate near its edges.
References Cited (Backward Citations)
FR322884A
Cited
US777305A
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US2496157A
Cited
GB993559A
Cited
US3120077A
Cited
US3583664A
Cited
US3762591A
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US3808084A
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US4040549A
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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) | 1988-10-14 | 1989-04-15 | 1989-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-14 | 1993-04-15 | 1993-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-14 | 1997-04-15 | 1997-10-15 | $7700.00 | Window Closed / Lapsed |