US3662730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic device for projecting cans
Assignee: Individual
•
Filing: 1970-06-30
•
Granted: 1972-05-16
•
Expires: 1990-06-30
Abstract
Abstract A sling for hurling empty beverage cans into the air for target practice, comprising a handle having a length of elastic rubber tubing connected to one end thereof, wherein the rubber tubing has a length of ball chain attached to its other end. One of the balls of the chain is hooked into the apex of a V-notch cut into the end of the can by a punch having its pointed end shaped to provide a good seat for the ball chain.
Inventors
- 👤 Marshall H Feldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:52
CPC Classifications
F; F41; F41J; F41J9/00; F41J9/16; F41J9/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
124 words
A sling for hurling empty beverage cans into the air for target practice, said sling comprising: a handle adapted to be held in one hand; a strip of elastic, rubber-like material attached at one end to said handle; and a length of ball chain connected to the other end of said elastic strip, said ball chain consisting of a plurality of balls joined together by links, any one of said balls being seatable in the apex of a V-shaped hole in the end of a can, whereby said can may be drawn back to stretch said elastic strip, and then released, said ball chain disengaging itself from said can as the latter flies beyond the end of said elastic strip and said ball chain.
Claim 2
Dependent Claim
124 words
A sling for hurling empty beverage cans into the air for target practice, said sling comprising: a handle adapted to be held in one hand; a strip of elastic, rubber-like material attached at one end to said handle; and a length of ball chain connected to the other end of said elastic strip, said ball chain consisting of a plurality of balls joined together by links, any one of said balls being seatable in the apex of a V-shaped hole in the end of a can, whereby said can may be drawn back to stretch said elastic strip, and then released, said ball chain disengaging itself from said can as the latter flies beyond the end of said elastic strip and said ball chain.
Claim 3
Dependent Claim
52 words
A sling as in claim 1, wherein at least two of said balls on the end of said ball chain are inserted into said other end of said tubing, and means for tightly constricting said tubing between said two balls, thereby preventing said ball chain from being pulled out of said tubing.
Claim 4
Dependent Claim
64 words
A sling as in claim 1, which further includes a punch for punching said V-shaped hole in said can end, said punch having a pointed end that is formed to produCe a hole having its apex shaped to fit snugly around one of said ball chain links, thereby providing a good holding seat for the adjacent ball around a substantial portion of said apex.
Claim 5
Dependent Claim
39 words
A sling as in claim 3, wherein said punch has a pointed end that comes to a sharp point such that the included angle between the side edges of said pointed end is not more than about 40 degrees.
Claim 6
Dependent Claim
88 words
A sling as in claim 3, wherein said punch has a pointed end that terminates in a nose which cuts a V-shaped opening in said can end with a narrow notch at the apex, the width of said notch being less than the diameter of said balls, but slightly greater than the diameter of said links, whereby one of said links can fit snugly within said notch, and the adjacent ball has good seating contact with the underside of the can end around the margins of said notch.
Claim 7
Dependent Claim
26 words
A sling as in claim 3, wherein said punch is attached to said handle and said pointed end projects below the bottom end of the handle.
References Cited (Backward Citations)
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US3261342A
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US3508532A
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US3407798A
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US3533392A
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US3529589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |