Patent US3079856A successfully refreshed from Google Patents.
US3079856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can crusher
Assignee: Individual
•
Filing: 1960-04-01
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Granted: 1963-03-05
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:33
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/306; B30B9/3064; B30B1/00; B30B1/18; B30B9/32; B30B9/321; Y; Y10; Y10S; Y10S100/00; Y10S100/902; Y10S425/00; Y10S425/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A PORTABLE CAN CRUSHER COMPRISING A HOLLOW BASE MEMBER ADAPTED TO BE SEATED ON A SUPPORTING SURFACE AND HAVING A FLAT TOP SURFACE ON WHICH CANS ARE SEATED DURING CRUSHING, SAID TOP SURFACE HAVING THREE SPACED OPENINGS ADJACENT ITS PERIPHERY, ELONGATED GUIDE MEMBERS SECURED WITHIN THE BASE MEMBER ADJACENT ITS BOTTOM AND EXTENDING VERTICALY TO THE RESPECTIVE OPENINGS IN CONCENTRIC RELATION THERETO, AN UPPER MEMBER SHAPED SIMILARLY TO SAID FLAT TOP SURFACE AND HAVING A FLAT BOTTOM SURFACE, HOLLOW COLUMNS SECURED ON SAID UPPER MEMBER AND DEPENDING THROUGH SAID OPENINGS AND ASSOCIATED GUIDE MEMBERS, EACH SAID COLUMN BEING INTERNALLY THREADED ADJACENT ITS BOTTOM, A VERTICAL SCREW SUPPORTED AT THE BOTTOM OF THE BASE MEMBER AND EXTENDING UPWARDLY THROUGH EACH HOLLOW COLUMN IN ENGAGEMENT WITH ITS INTERNAL THREAD, AND MEANS INCLUDING A TRAIN OF GEARS FOR IMPARTING A SYNCHRONOUS DRIVE TO SAID SCREWS SO AS TO MAINTAIN UNIFORM SPACING BETWEEN THE FLAT SURFACES IN CAN CRUSHING AND REMOVAL OPERATIONS.
Claim 2
Dependent Claim
158 words
A PORTABLE CAN CRUSHER COMPRISING A HOLLOW BASE MEMBER ADAPTED TO BE SEATED ON A SUPPORTING SURFACE AND HAVING A FLAT TOP SURFACE ON WHICH CANS ARE SEATED DURING CRUSHING, SAID TOP SURFACE HAVING THREE SPACED OPENINGS ADJACENT ITS PERIPHERY, ELONGATED GUIDE MEMBERS SECURED WITHIN THE BASE MEMBER ADJACENT ITS BOTTOM AND EXTENDING VERTICALY TO THE RESPECTIVE OPENINGS IN CONCENTRIC RELATION THERETO, AN UPPER MEMBER SHAPED SIMILARLY TO SAID FLAT TOP SURFACE AND HAVING A FLAT BOTTOM SURFACE, HOLLOW COLUMNS SECURED ON SAID UPPER MEMBER AND DEPENDING THROUGH SAID OPENINGS AND ASSOCIATED GUIDE MEMBERS, EACH SAID COLUMN BEING INTERNALLY THREADED ADJACENT ITS BOTTOM, A VERTICAL SCREW SUPPORTED AT THE BOTTOM OF THE BASE MEMBER AND EXTENDING UPWARDLY THROUGH EACH HOLLOW COLUMN IN ENGAGEMENT WITH ITS INTERNAL THREAD, AND MEANS INCLUDING A TRAIN OF GEARS FOR IMPARTING A SYNCHRONOUS DRIVE TO SAID SCREWS SO AS TO MAINTAIN UNIFORM SPACING BETWEEN THE FLAT SURFACES IN CAN CRUSHING AND REMOVAL OPERATIONS.
References Cited (Backward Citations)
US1673243A
Cited
US1288648A
Cited
US1645906A
Cited
US2150812A
Cited
US2212047A
Cited
US2396781A
Cited
US2387533A
Cited
US2700333A
Cited
US2773536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |