US3094825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food packaging machine
Assignee: WR Grace and Co
•
Filing: 1961-09-18
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Granted: 1963-06-25
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Bracey
- 👤 Joonase Paul
- 👤 Wilbur A Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:50
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A MACHINE FOR VACUUM PACKAGING IN BAGS A SERIES OF ARTICLES VARYING IN SIZE ONE FROM ANOTHER, SAID MACHINE COMPRISING AN ARRAY OF SPACED ARTICLE CARRIERS EACH ADAPTED TO RECEIVE AND HOLD A BAGGED ARTICLE THEREIN, A SERIES OF OPERATING STATIONS AND OPERATING MEANS HORIZONTALLY ARRANGED IN SEQUENCE RESPECTIVELY INCLUDING A STATION FOR LOADING A CARRIER WITH A BAGGED ARTICLE, MEANS FOR LOWERING THE CARRIER TO A BASE LEVEL, MEANS FOR RAISING THE CARRIER TO A SECOND LEVEL DETERMINED BY THE HEIGHT OF THE LOAD IN THE CARRIER TO POSITION THE ARTICLE AT A DATUM LEVEL, MEANS FOR EVACUATING THE BAG, MEANS FOR TWISTING THE NECK OF THE EVACUATED BAG, MEANS FOR SEALING THE TWISTED NECK, AND MEANS FOR DISCHARGING THE BAGGED, EVACUATED AND SEALED PACKAGED ARTICLE FROM THE CARRIER, AND FURTHER MEANS CONTINUOUSLY DRIVING SAID CARRIERS HORIZONTALLY PAST
Claim 2
Dependent Claim
139 words
A MACHINE FOR VACUUM PACKAGING IN BAGS A SERIES OF ARTICLES VARYING IN SIZE ONE FROM ANOTHER, SAID MACHINE COMPRISING AN ARRAY OF SPACED ARTICLE CARRIERS EACH ADAPTED TO RECEIVE AND HOLD A BAGGED ARTICLE THEREIN, A SERIES OF OPERATING STATIONS AND OPERATING MEANS HORIZONTALLY ARRANGED IN SEQUENCE RESPECTIVELY INCLUDING A STATION FOR LOADING A CARRIER WITH A BAGGED ARTICLE, MEANS FOR LOWERING THE CARRIER TO A BASE LEVEL, MEANS FOR RAISING THE CARRIER TO A SECOND LEVEL DETERMINED BY THE HEIGHT OF THE LOAD IN THE CARRIER TO POSITION THE ARTICLE AT A DATUM LEVEL, MEANS FOR EVACUATING THE BAG, MEANS FOR TWISTING THE NECK OF THE EVACUATED BAG, MEANS FOR SEALING THE TWISTED NECK, AND MEANS FOR DISCHARGING THE BAGGED, EVACUATED AND SEALED PACKAGED ARTICLE FROM THE CARRIER, AND FURTHER MEANS CONTINUOUSLY DRIVING SAID CARRIERS HORIZONTALLY PAST
References Cited (Backward Citations)
US2732988A
Cited
US2120272A
Cited
US2510457A
Cited
US2812628A
Cited
US2893184A
Cited
US3046713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |