Patent US4334469A successfully refreshed from Google Patents.
US4334469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can crusher
Assignee: Individual
•
Filing: 1980-05-30
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Granted: 1982-06-15
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Expires: 2000-05-30
Abstract
Abstract An apparatus for crushing tin cans for convenient disposal, the apparatus including an enclosure fitted with a door for placing cans therein, a crank operated pressure plate inside the enclosure for pressing downward against the cans and a stepped conical seat upon which cans are placed so to not slip during crushing operation.
Inventors
- 👤 Douglas Tanner
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:45
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/08; B30B9/00; B30B9/32; B30B9/321; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
111 words
A can crusher, comprising in combination, a hollow housing, a side door on said housing, a conical base inside said housing and upon which a tin can may be rested, and a vertically movable pressure plate correspondingly conical mounted in said housing and movable from an upper position above said door to a lower position below said door including means for moving said plate located above said plate, in further combination with a door hinge located between opposite vertical edges of said door providing an inwardly disposed door portion which functions as a stop for said plate when the door is opened, said base having stepped surfaces with drainage holes therethrough.
Claim 2
Dependent Claim
111 words
A can crusher, comprising in combination, a hollow housing, a side door on said housing, a conical base inside said housing and upon which a tin can may be rested, and a vertically movable pressure plate correspondingly conical mounted in said housing and movable from an upper position above said door to a lower position below said door including means for moving said plate located above said plate, in further combination with a door hinge located between opposite vertical edges of said door providing an inwardly disposed door portion which functions as a stop for said plate when the door is opened, said base having stepped surfaces with drainage holes therethrough.
Claim 3
Dependent Claim
36 words
The combination as set forth in claim 1 in further combination with a slidable tray on a bottom of said housing below said base to catch any liquid dripping from said cans during a crushing operation.
Claim 4
Dependent Claim
38 words
A can crusher as in claim 2, wherein said housing includes an upper chamber enclosing said means which comprise a rack secured to said plate and a pinion having an external crank handle for rotation of said pinion.
Claim 5
Dependent Claim
22 words
A can crusher as in claim 1 wherein said housing includes means for securing said crusher to a support by suction cups.
Claim 6
Dependent Claim
27 words
A can crusher as in claim 2 wherein said door portion snugly abutts the housing when closed and the hinge is adjacent the edge of the opening.
References Cited (Backward Citations)
US200487A
Cited
US737521A
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US2234098A
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US2306884A
Cited
US2581294A
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US2638957A
Cited
FR1144139A
Cited
GB857578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-14 | 1985-12-14 | 1986-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-14 | 1989-12-14 | 1990-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-14 | 1993-12-14 | 1994-06-15 | $7700.00 | Window Closed / Lapsed |