Patent US3357155A successfully refreshed from Google Patents.
US3357155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for packing compressible materials into containers
Assignee: Individual
•
Filing: 1965-09-17
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Granted: 1967-12-12
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Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Eben H Carruthers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:03
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/20; B65B1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A MACHINE FOR PACKING PRODUCTS IS CANS COMPRISING, IN COMBINATION: A PAIR OF CHAMBERS MOUNTED IN VERTICAL ALIGNMENT WITH EACH OTHER, THE LOWER OF SAID CHAMBERS BEING A METERING CHAMBER AND THE UPPER OF SAID CHAMBERS BEING A FILLING CHAMBER; MEANS FOR APPLYING A SUBSTANTIALLY CONSTANT PRESSURE ON THE PRODUCT IN SAID FILLING CHAMBER TO FORCE THE PRODUCT INTO THE METERING CHAMBER UNDER A CONSTANT PRESSURE SO THAT THE SIZE OF THE METERING CHAMBER ACCURATELY REFLECTS THE WEIGHT OF PRODUCT IN THE METERING CHAMBER; MEANS FOR CUTTING THE PRODUCT ALONG A PLANE DEFINED BY SUBSTANTIALLY THE TOP OF SAID METERING CHAMBER; AND MEANS FOR TRANSFERRING THE PRODUCT TO A CAN.
Claim 2
Dependent Claim
110 words
A MACHINE FOR PACKING PRODUCTS IS CANS COMPRISING, IN COMBINATION: A PAIR OF CHAMBERS MOUNTED IN VERTICAL ALIGNMENT WITH EACH OTHER, THE LOWER OF SAID CHAMBERS BEING A METERING CHAMBER AND THE UPPER OF SAID CHAMBERS BEING A FILLING CHAMBER; MEANS FOR APPLYING A SUBSTANTIALLY CONSTANT PRESSURE ON THE PRODUCT IN SAID FILLING CHAMBER TO FORCE THE PRODUCT INTO THE METERING CHAMBER UNDER A CONSTANT PRESSURE SO THAT THE SIZE OF THE METERING CHAMBER ACCURATELY REFLECTS THE WEIGHT OF PRODUCT IN THE METERING CHAMBER; MEANS FOR CUTTING THE PRODUCT ALONG A PLANE DEFINED BY SUBSTANTIALLY THE TOP OF SAID METERING CHAMBER; AND MEANS FOR TRANSFERRING THE PRODUCT TO A CAN.
References Cited (Backward Citations)
US3026660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |