US4905330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination furniture and exercise device
Assignee: Individual
•
Filing: 1989-02-23
•
Granted: 1990-03-06
•
Expires: 2009-02-23
Abstract
Abstract Five cushion pieces are pivotally interconnected to provide multiple furniture and exercise pieces. A pair of wedge shaped pieces are pivotally interconnected to a rectangular piece for pivoting about a common axis. A pair of half size rectangular pieces are pivotally interconnected to each other with one of the pieces being pivotally connected to the rectangular piece at an edge diagonally opposite the pivotal connection of the rectangular piece to the two wedge pieces.
Inventors
- 👤 Lawrence I. Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A combination furniture and exercise device comprising, first and second wedge-shaped pieces pivotally interconnected at a common axis to a first edge of a rectangular third piece, fourth and fifth rectangular pieces pivotally interconnected and being substantially the same size and one half the width each of said rectangular third piece, a first edge of said fourth piece being pivotally connected to said rectangular third piece at an edge of said third piece diagonally opposite said first edge of said third piece and said fifth piece being pivotally connected to a second edge of said fourth piece diagonally opposite said first edge of said fourth piece, and said first and second wedge shaped pieces having slanted top surfaces in parallel spaced apart planes and said rectangular piece being stacked on the top surface of said second wedge shaped piece and said fifth rectangular piece being stacked on said fourth rectangular piece which is stacked on said third rectangular piece to form a slanted raised foot sit-up exercise device.
Claim 2
Dependent Claim
168 words
A combination furniture and exercise device comprising, first and second wedge-shaped pieces pivotally interconnected at a common axis to a first edge of a rectangular third piece, fourth and fifth rectangular pieces pivotally interconnected and being substantially the same size and one half the width each of said rectangular third piece, a first edge of said fourth piece being pivotally connected to said rectangular third piece at an edge of said third piece diagonally opposite said first edge of said third piece and said fifth piece being pivotally connected to a second edge of said fourth piece diagonally opposite said first edge of said fourth piece, and said first and second wedge shaped pieces having slanted top surfaces in parallel spaced apart planes and said rectangular piece being stacked on the top surface of said second wedge shaped piece and said fifth rectangular piece being stacked on said fourth rectangular piece which is stacked on said third rectangular piece to form a slanted raised foot sit-up exercise device.
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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) | 1993-03-05 | 1993-09-04 | 1994-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-05 | 1997-09-04 | 1998-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-05 | 2001-09-04 | 2002-03-06 | $7700.00 | Window Closed / Lapsed |