US4183503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demolition tool
Assignee: Individual
•
Filing: 1978-11-22
•
Granted: 1980-01-15
•
Expires: 1998-11-22
Abstract
Abstract A one-piece demolition-tool including an elongated stem terminating in two differently shaped prying-members at opposite ends thereof, and a dual-function pivot-and-handle bar near each end of said stem, disposed crosswise thereof, each pivot-and-handle bar being in operative juxtaposition to both prying-members and being arranged to serve as an off-center pivot in relation to the prying-member nearest to it when that prying-member is prying and to serve as a twist-resisting force-applying handle in relation to the prying-member farthest from it when that prying-member is prying, and each pivot-and-handle bar having two opposite handle-portions extending laterally and oppositely from the stem, and each handle-portion being of sufficient length to enable the user of the demolition-tool to engage the two handle-portions with a major portion of the width of his hands when closed around the handle-portions so as to enable the user effectively to apply his needed manual force for the operation of the tool.
Inventors
- 👤 Leslie J. Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:48
CPC Classifications
B; B66; B66F; B66F15/00; B25; B25B; B25B27/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
131 words
A demolition-tool including an elongated stem having a prying member at each of the opposite ends thereof, and including a pivot-and-handle bar at each end of said stem in operative juxtaposition to the prying members, said pivot-and-handle bars being disposed crosswise of the stem, with the two opposite portions thereof arranged and extending from the stem in opposite directions to a distance sufficient for either opposite portion thereof so as to serve as an off-center pivot when the prying member adjacent thereto is in its prying position and arrange for the opposite portions thereof to serve as a pair of force-applying and anti-tilt handles when the prying member at the far end of the stem is in its prying position, and each of said pivot-and-handle bars being affixed to the stem.
Claim 2
Dependent Claim
131 words
A demolition-tool including an elongated stem having a prying member at each of the opposite ends thereof, and including a pivot-and-handle bar at each end of said stem in operative juxtaposition to the prying members, said pivot-and-handle bars being disposed crosswise of the stem, with the two opposite portions thereof arranged and extending from the stem in opposite directions to a distance sufficient for either opposite portion thereof so as to serve as an off-center pivot when the prying member adjacent thereto is in its prying position and arrange for the opposite portions thereof to serve as a pair of force-applying and anti-tilt handles when the prying member at the far end of the stem is in its prying position, and each of said pivot-and-handle bars being affixed to the stem.
Claim 3
Dependent Claim
121 words
A demolition-tool including an elongated stem having two differently oriented prying members at the opposite ends thereof, and including a pivot-and-handle bar at each end of said stem in operative juxtaposition to both prying members, said pivot-and-handle bars being fixedly disposed crosswise of the stem, with the two opposite portions thereof arranged and extending from the stem in opposite directions to a distance sufficient for either opposite portion thereof so as to serve as an off-center pivot when the prying member adjacent thereto is in its prying position and arranged for the opposite portions thereof to serve as a pair of force-applying and anti-tilt handles when the prying member at the far end of the stem is in its prying position.
Claim 4
Dependent Claim
121 words
A demolition-tool including an elongated stem having two differently oriented prying members at the opposite ends thereof, and including a pivot-and-handle bar at each end of said stem in operative juxtaposition to both prying members, said pivot-and-handle bars being fixedly disposed crosswise of the stem, with the two opposite portions thereof arranged and extending from the stem in opposite directions to a distance sufficient for either opposite portion thereof so as to serve as an off-center pivot when the prying member adjacent thereto is in its prying position and arranged for the opposite portions thereof to serve as a pair of force-applying and anti-tilt handles when the prying member at the far end of the stem is in its prying position.
Claim 5
Dependent Claim
125 words
A one-piece demolition-tool including an elongated stem having two differently shaped and differently oriented prying members at the opposite ends thereof, and including a pivot-and-handle bar at each end of said stem in operative juxtaposition to both prying members, said pivot-and-handle bar being fixedly disposed crosswise of the stem, with the two opposite portions thereof arranged and extending from the stem in opposite directions to a distance sufficient for either opposite portion thereof so as to serve as an off-center pivot when the prying member adjacent thereto is in its prying position and arranged for the opposite portions thereof to serve as a pair of force-applying and anti-tilt handles when the prying member at the far end of the stem is in its prying position.
Claim 6
Dependent Claim
125 words
A one-piece demolition-tool including an elongated stem having two differently shaped and differently oriented prying members at the opposite ends thereof, and including a pivot-and-handle bar at each end of said stem in operative juxtaposition to both prying members, said pivot-and-handle bar being fixedly disposed crosswise of the stem, with the two opposite portions thereof arranged and extending from the stem in opposite directions to a distance sufficient for either opposite portion thereof so as to serve as an off-center pivot when the prying member adjacent thereto is in its prying position and arranged for the opposite portions thereof to serve as a pair of force-applying and anti-tilt handles when the prying member at the far end of the stem is in its prying position.
Claim 7
Dependent Claim
169 words
A one-piece demolition-tool including an elongated stem terminating in two differently shaped prying-members at opposite ends thereof, and a dual-function pivot-and-handle bar near each end of said stem disposed crosswise thereof, each pivot-and-handle bar being in operative juxtaposition to both prying-members and being arranged to serve as an off-center pivot in relation to the prying-member nearest to it when that prying-member is in its prying position and to serve as a twist-resisting force-applying handle in relation to the prying-member farthest from it when that prying-member is in its prying position, and each pivot-and-handle bar having two opposite handle-portions extending laterally and oppositely from the stem and being of sufficient length to for the user of the demolition tool to engage the two handle-portions of the pivot-and-handle bar at the end of the stem opposite from the prying member poised for prying, sufficiently to enable the user simultaneously to exert an adequate prying force and an adequate anti-tilt force on the demolition tool for the effective operation of the tool.
Claim 8
Dependent Claim
169 words
A one-piece demolition-tool including an elongated stem terminating in two differently shaped prying-members at opposite ends thereof, and a dual-function pivot-and-handle bar near each end of said stem disposed crosswise thereof, each pivot-and-handle bar being in operative juxtaposition to both prying-members and being arranged to serve as an off-center pivot in relation to the prying-member nearest to it when that prying-member is in its prying position and to serve as a twist-resisting force-applying handle in relation to the prying-member farthest from it when that prying-member is in its prying position, and each pivot-and-handle bar having two opposite handle-portions extending laterally and oppositely from the stem and being of sufficient length to for the user of the demolition tool to engage the two handle-portions of the pivot-and-handle bar at the end of the stem opposite from the prying member poised for prying, sufficiently to enable the user simultaneously to exert an adequate prying force and an adequate anti-tilt force on the demolition tool for the effective operation of the tool.
Claim 9
Dependent Claim
38 words
A demolition tool according to any one of claims 1, 2, 3 or 4, in which the axis of each pivot-and-handle-bar lies in a plane spaced from a parallel plane in which the axis of the stem lies.
Claim 10
Dependent Claim
23 words
A demolition tool according to any one of claims 1, 2, 3 or 4 in which the pivot-and-handle-bars are welded to the stem.
Claim 11
Dependent Claim
26 words
A demolition tool according to any one of claims 1, 2, 3 or 4, in which the pivot-and-handle-bars are disposed on opposite sides of the stem.
Claim 12
Dependent Claim
50 words
A demolition tool according to any one of claims 1, 2, 3 or 4 in which each of the two pivot-and-handle-bars is disposed on the side of the stem opposite to the direction in which the prying member at the same end of the stem inclines away from the stem.
References Cited (Backward Citations)
US1389820A
Cited
US1455019A
Cited
US1570192A
Cited
US2195667A
Cited
US2502271A
Cited
US3041042A
Cited
US3744758A
Cited
US3754732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-14 | 1983-07-16 | 1984-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-14 | 1987-07-16 | 1988-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-14 | 1991-07-16 | 1992-01-15 | $7700.00 | Window Closed / Lapsed |