Patent US2353499A successfully refreshed from Google Patents.
Patent US3211431A successfully refreshed from Google Patents.
US3211431A
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US
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Method and apparatus for compounding desired concentrations
Assignee: Individual
•
Filing: 1961-09-27
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Granted: 1965-10-12
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 David M Meysembourg
- 👤 George E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:16
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2089; B; B01; B01F; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; A61J1/2003; A61J1/202; A61J1/2041; A61J1/2044; Y; Y10; Y10S; Y10S215/00; Y10S215/08; Y10S604/00; Y10S604/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A RECEPTACLE FOR COMPOUNDING MATERIALS COMPRISING AN AXIALLY ELONGAGED, FLEXIBLE TUBULAR BARREL, A FIRST CLOSURE FOR ONE END OF THE BARREL JOINED TO SAID ONE END OF THE BARREL, A SECOND CLOSURE JOINED TO THE OPPOSITE END OF THE BARREL, EACH OF SAID CLOSURES HAVING SURFACE PORTIONS EXTENDING INTO THE INTERIOR OF THE BARREL, EACH OF SAID SURFACE PORTIONS BEING CONTOURED TO BE OF AN INCREASING TRANSVERSE WIDTH FROM THE PART MOST CLOSELY ADJACENT THE OPPOSITE CLOSURE AXIALLY TOWARD THE RESPECTIVE END OF THE BARREL TO THE LOCATION THAT THE RESPECTIVE CLOSURE CONTACTS THE BARREL, SAID SECOND CLOSURE HAVING AN OPENING THERE THROUGH OPENING INTO THE INTERIOR OF THE TUBE FOR PERMITTING FILLING THE TUBE AND MEANS REMOVABLY SECURED TO SAID SECOND CLOSURE FOR CLOSING SAID SECOND CLOSURE OPENING.
Claim 2
Dependent Claim
129 words
A RECEPTACLE FOR COMPOUNDING MATERIALS COMPRISING AN AXIALLY ELONGAGED, FLEXIBLE TUBULAR BARREL, A FIRST CLOSURE FOR ONE END OF THE BARREL JOINED TO SAID ONE END OF THE BARREL, A SECOND CLOSURE JOINED TO THE OPPOSITE END OF THE BARREL, EACH OF SAID CLOSURES HAVING SURFACE PORTIONS EXTENDING INTO THE INTERIOR OF THE BARREL, EACH OF SAID SURFACE PORTIONS BEING CONTOURED TO BE OF AN INCREASING TRANSVERSE WIDTH FROM THE PART MOST CLOSELY ADJACENT THE OPPOSITE CLOSURE AXIALLY TOWARD THE RESPECTIVE END OF THE BARREL TO THE LOCATION THAT THE RESPECTIVE CLOSURE CONTACTS THE BARREL, SAID SECOND CLOSURE HAVING AN OPENING THERE THROUGH OPENING INTO THE INTERIOR OF THE TUBE FOR PERMITTING FILLING THE TUBE AND MEANS REMOVABLY SECURED TO SAID SECOND CLOSURE FOR CLOSING SAID SECOND CLOSURE OPENING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |