Patent US2410291A successfully refreshed from Google Patents.
Patent US4720140A successfully refreshed from Google Patents.
US4720140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating platform for sunbathers
Assignee: Individual
•
Filing: 1987-04-28
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Granted: 1988-01-19
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Expires: 2007-04-28
Abstract
Abstract An elongated platform is disclosed herein for supporting a person in a chair or recliner which is adapted to rotate about a central pivot support and having wheels arranged in an arc adjacent to the opposite ends of the platform. The exposed upper surface is provided with a pair of spaced apart grooves or recesses for insertably receiving the standard rungs of the chair or recliner. Snap-lock latches releasably retain the rungs in position so that the chair or recliner and the platform constitute a unitary structure.
Inventors
- 👤 Nicholas D. Change, III
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:43
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/14; A47C1/143; A47C3/00; A47C3/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
127 words
A revolving apparatus for sunbathers occupying a chair of recliner comprising: a chair or recliner having support rungs; an elongated platform having opposite end portions integrally joined together by a midsection of reduced width; a central pivot means disposed on the underside of said platform midsection; roller means carried on the underside of platform end portions arranged on an arcuate axis coaxially disposed with respect to said pivot means; and means provided on the upper surface of said platform for releasably retaining said chair or recliner when occupied on said platform; said central pivot means is of a greater height than the height of said roller means to permit flexing of said platform opposite end portions about said pivot to engage said roller means with the ground.
Claim 2
Dependent Claim
127 words
A revolving apparatus for sunbathers occupying a chair of recliner comprising: a chair or recliner having support rungs; an elongated platform having opposite end portions integrally joined together by a midsection of reduced width; a central pivot means disposed on the underside of said platform midsection; roller means carried on the underside of platform end portions arranged on an arcuate axis coaxially disposed with respect to said pivot means; and means provided on the upper surface of said platform for releasably retaining said chair or recliner when occupied on said platform; said central pivot means is of a greater height than the height of said roller means to permit flexing of said platform opposite end portions about said pivot to engage said roller means with the ground.
Claim 3
Dependent Claim
35 words
The invention as defined in claim 1 wherein: said retaining means includes a pair of parallel spaced apart recesses provided in said platform separated by said midsection for receiving said chair or recliner support rungs.
Claim 4
Dependent Claim
29 words
The invention as defined in claim 2 including: retainers carried on said platform adjacent to at least one recess for releasably retaining said chair or recliner in said recess.
Claim 5
Dependent Claim
27 words
The invention as defined in claim 3 wherein: said retainers are snap-lock devices integrally carried and fixed onto said platform so as to provide a unitized construction.
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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) | 1991-01-18 | 1991-07-20 | 1992-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-18 | 1995-07-20 | 1996-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-18 | 1999-07-20 | 2000-01-19 | $7700.00 | Window Closed / Lapsed |