US4016615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canoe portaging kit
Assignee: Individual
•
Filing: 1975-11-03
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Granted: 1977-04-12
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Expires: 1995-11-03
Abstract
Abstract This invention consists of a kit for facilitating the portage of canoes. The kit contains two identical spring loaded telescopic rods which attach spaced and parallel to each other to and between the central bar of the canoe and and any other strut on either side of said central bar, or to the front edge of the rear or front seat of the canoe. The other part of the kit consists of a cushion of soft resilient material which attaches to the center bar of the canoe and which is contoured to fit comfortably the back of the neck and center between the shoulders of the person carrying the canoe.
Inventors
- 👤 Glen A. Main
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:28
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/14; A45F3/15
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
220 words
A kit for facilitating the portaging of canoes, comprising a pair of identical, spring loaded, telescoping carrying rods, one end of each being removably attached to the center bar of the canoe, while the other end of each is similarly attached to the front edge of the rear seat of the canoe or to an independent strut spaced from and on either side of said center bar; each of said rods consisting of a rigid outer tube of metal or plastic; an inner tube of such material which fits slidably into said outer tube; two opposite rows of identically spaced and located holes in the wall of said outer tube for inserting a pin through said outer tube; a short spring located within said outer tube, one end of which rests upon said pin while the other end is in contact with the enclosed end of the inner tube; and a pair of identical notches, each notch located in the outer end of both said tubes, said notches being wide enough to contain therein the center bar, the front edge of the rear seat of the canoe, or the independent strut on either side of the center bar; and a cushion of soft material which is slipped over said center bar to provide comfort to the person carrying the canoe.
Claim 2
Dependent Claim
220 words
A kit for facilitating the portaging of canoes, comprising a pair of identical, spring loaded, telescoping carrying rods, one end of each being removably attached to the center bar of the canoe, while the other end of each is similarly attached to the front edge of the rear seat of the canoe or to an independent strut spaced from and on either side of said center bar; each of said rods consisting of a rigid outer tube of metal or plastic; an inner tube of such material which fits slidably into said outer tube; two opposite rows of identically spaced and located holes in the wall of said outer tube for inserting a pin through said outer tube; a short spring located within said outer tube, one end of which rests upon said pin while the other end is in contact with the enclosed end of the inner tube; and a pair of identical notches, each notch located in the outer end of both said tubes, said notches being wide enough to contain therein the center bar, the front edge of the rear seat of the canoe, or the independent strut on either side of the center bar; and a cushion of soft material which is slipped over said center bar to provide comfort to the person carrying the canoe.
Claim 3
Dependent Claim
72 words
A kit such as described in claim 1 in which said cushion consists of a block of cut or moulded resilient and soft material, contoured to fit the back of the neck and part of the shoulders of the person carrying the canoe, and said cushion being provided with a groove by means of which it can be be slipped over the said center bar of the canoe, and removably held therein.
References Cited (Backward Citations)
US1257073A
Cited
US1549514A
Cited
US2671231A
Cited
US3375960A
Cited
US3436778A
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US3734367A
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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) | 1980-04-11 | 1980-10-11 | 1981-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-11 | 1984-10-11 | 1985-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-11 | 1988-10-11 | 1989-04-12 | $7700.00 | Window Closed / Lapsed |