US4412677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable exercise apparatus
Assignee: Individual
•
Filing: 1982-02-25
•
Granted: 1983-11-01
•
Expires: 2002-02-25
Abstract
Abstract A portable chinning apparatus comprising a horizontal chinning bar interconnecting two posts of adjustable length. The posts are suspended from a pair of inverted U-shape brackets which fit snugly over a length of nominal two inch lumber as in a garage rafter.
Inventors
- 👤 Michael B. Viramontes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:31
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/16; A63B21/1618; A63B21/1645; A63B1/00; A63B23/00; A63B23/035; A63B23/12; A63B23/1209; A63B23/1218
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
92 words
A portable chinning apparatus comprising: a pair of vertical posts; a bar interconnecting said posts near the lower ends thereof; a pair of mounting brackets, of flat steel bar stock, each of inverted U-shaped configuration including a flat horizontal top bar and parallel vertical bars at least three inches long depending therefrom and spaced to slide snugly down over a wooden rafter of nominal two inch thickness; and means securing said posts to said brackets to be suspended therefrom; said posts being free of lateral extensions for engagement with a vertical wall.
Claim 2
Dependent Claim
92 words
A portable chinning apparatus comprising: a pair of vertical posts; a bar interconnecting said posts near the lower ends thereof; a pair of mounting brackets, of flat steel bar stock, each of inverted U-shaped configuration including a flat horizontal top bar and parallel vertical bars at least three inches long depending therefrom and spaced to slide snugly down over a wooden rafter of nominal two inch thickness; and means securing said posts to said brackets to be suspended therefrom; said posts being free of lateral extensions for engagement with a vertical wall.
Claim 3
Dependent Claim
31 words
The chinning apparatus defined by claim 1 wherein: said posts are formed in two sections; and including: releasable means securing said sections together to adjust the total length of said posts.
Claim 4
Dependent Claim
18 words
The chinning apparatus defined by claim 1 including: a cross bar secured to and interconnecting said mounting brackets.
References Cited (Backward Citations)
US2193215A
Cited
US2758770A
Cited
GB819360A
Cited
GB894993A
Cited
US3042143A
Cited
US3078955A
Cited
US3056466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-31 | 1987-05-02 | 1987-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-31 | 1991-05-02 | 1991-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-31 | 1995-05-02 | 1995-11-01 | $7700.00 | Window Closed / Lapsed |