Patent US5453860A successfully refreshed from Google Patents.
Patent US2547409A successfully refreshed from Google Patents.
US2547409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding means for movement of solid materials
Assignee: Individual
•
Filing: 1945-11-02
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Granted: 1951-04-03
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Expires: 1965-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Prescott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:00
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/087; B01; B01J; B01J3/00; B01J3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
FOR USE IN A VACUUM FILLING APPARATUS HAVING A PROCESSING CHAMBER, A CONTAINER LOADING CHAMBER, A REDUCED DIAMETER NOZZLE EXTENDING FROM SAID PROCESSING CHAMBER INTO SAID LOADING CHAMBER AND PROVIDED WITH A LOOSLEY SURROUNDING MOVABLE SLEEVE ADAPTED TO GUIDE MATERIAL FROM THE NOZZLE THROUGH THE CONTAINER LOADING CHAMBER; AN IMPROVED GUIDING MEANS FOR SOLID METERIALS INCLUDING, AN ELONGATED ROD MOUNTED INTERMEDIATE ITS ENDS IN VACUUM SEALING RELATION TO SAID PROCESSING CHAMBER OF SELECTIVE LONGITUDINAL AND ROCKING MOTION, SAID ROD HAVING AT ONE END A SHARP POINT ADAPTED TO BREAK SOLID MATERIALS, A CURVED HOOK ATTACHED TO SAID ROD ADJACENT SAID POINTED END AND EXTENDING TOWARD THE OPPOSITEE END OF SAID ROD, AND A MANIPULATING MEANS ATTACHED TO SAID ROD EXTERIORLY OF SAID SEALING LOCATION WHEREBY UPON LONGITUDINAL AND ROCKING
Claim 2
Dependent Claim
129 words
FOR USE IN A VACUUM FILLING APPARATUS HAVING A PROCESSING CHAMBER, A CONTAINER LOADING CHAMBER, A REDUCED DIAMETER NOZZLE EXTENDING FROM SAID PROCESSING CHAMBER INTO SAID LOADING CHAMBER AND PROVIDED WITH A LOOSLEY SURROUNDING MOVABLE SLEEVE ADAPTED TO GUIDE MATERIAL FROM THE NOZZLE THROUGH THE CONTAINER LOADING CHAMBER; AN IMPROVED GUIDING MEANS FOR SOLID METERIALS INCLUDING, AN ELONGATED ROD MOUNTED INTERMEDIATE ITS ENDS IN VACUUM SEALING RELATION TO SAID PROCESSING CHAMBER OF SELECTIVE LONGITUDINAL AND ROCKING MOTION, SAID ROD HAVING AT ONE END A SHARP POINT ADAPTED TO BREAK SOLID MATERIALS, A CURVED HOOK ATTACHED TO SAID ROD ADJACENT SAID POINTED END AND EXTENDING TOWARD THE OPPOSITEE END OF SAID ROD, AND A MANIPULATING MEANS ATTACHED TO SAID ROD EXTERIORLY OF SAID SEALING LOCATION WHEREBY UPON LONGITUDINAL AND ROCKING
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) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |