Patent US3853054A successfully refreshed from Google Patents.
US3853054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tin can folder
Assignee: Individual
•
Filing: 1973-05-29
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Granted: 1974-12-10
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Expires: 1993-05-29
Abstract
Abstract A device for crushing and folding metal cans including a central lever having crushing means on one side thereof and a ridge on the other side adapted to crease the crushed can between two ridges on the base. The crease then provides for relatively easy folding of the can which can be accomplished using the crushing side of the device.
Inventors
- 👤 L Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:16
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32; B30B9/321; B30B9/322; B30B9/323; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
120 words
A can crushing and folding device comprising a base, a lever pivotally mounted on said base for movement from one side to the other, said base having a crushing face on one side and can folding means on the other side of the pivotal axis of said lever, said lever having a crushing face on the side adapted to meet the crushing face on said base, teeth formed on at least one of said crushing faces to hold a can in place during the crushing operation, and a creasing device on the side of the lever opposite said crushing face on said lever adapted to interact with said can folding means to crease the can placed on the folding means.
Claim 2
Dependent Claim
120 words
A can crushing and folding device comprising a base, a lever pivotally mounted on said base for movement from one side to the other, said base having a crushing face on one side and can folding means on the other side of the pivotal axis of said lever, said lever having a crushing face on the side adapted to meet the crushing face on said base, teeth formed on at least one of said crushing faces to hold a can in place during the crushing operation, and a creasing device on the side of the lever opposite said crushing face on said lever adapted to interact with said can folding means to crease the can placed on the folding means.
Claim 3
Dependent Claim
21 words
The device of claim 1 in which said folding means comprises a pair of parallel, spaced apart ridges on said base.
Claim 4
Dependent Claim
27 words
The device of claim 2 in which the creasing device is a ridge adapted to be brought into parallel intermediate relationship to the ridges on said base.
Claim 5
Dependent Claim
27 words
The device of claim 3 in which handle means is provided on said lever to provide added leverage and force at the operating areas of said device.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |