Patent US1708306A successfully refreshed from Google Patents.
Patent US3198385A successfully refreshed from Google Patents.
US3198385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure medical injection direct from a fluid containing ampule
Assignee: Individual
•
Filing: 1962-09-06
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Granted: 1965-08-03
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Expires: 1982-09-06
Abstract
No abstract record available.
Inventors
- 👤 Palmer M Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282; A61M5/14; A61M5/142; A61M5/145; A61M5/148; A61M2230/00; A61M2230/04; A61M2230/06; Y; Y10; Y10S; Y10S128/00; Y10S128/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
APPARATUS FOR THE CONTROLLED EJECTION OF FLUID COMPRISING, IN COMBINATION, AN AMPULE HAVING TWO ENDS AND A HOLLOW INTERIOR FILLED WITH SAID FLUID, A SOLID RECTANGULAR LEADER ATTACHED TO AND EXTENDING FROM ONE END OF THE AMPULE, A HOLLOW TUBE EXTENDING FROM THE END OF THE AMPULE OTHER THAN THAT TO WHICH THE SOLID LEADER IS ATTACHED AND HAVING ITS HOLLOW INTERIOR FILLED WITH SAID FLUID AND JOINED TO THE HOLLOW INTERIOR OF THE AMPULE, MEANS FOR CLOSING THAT END OF THE HOLLOW TUBE REMOTE FROM THE AMPULE, TWO CYLINDRICAL ROLLERS ENGAGING OPPOSITE SIDES OF THE SOLID LEADER AND HAVING THEIR CENTERS OF ROTATION PARALLEL TO EACH OTHER IN THE SAME PLANE, MEANS FOR ROTATING ONE CYLINDRICAL ROLLER IN A CLOCKWISE DIRECTION WHILE ROTATION THE OTHER CYLINDRICAL ROLLER IN A COUNTER-CLOCKWISE DIRECTION SO AS TO IMPART MOTION TO THE
Claim 2
Dependent Claim
139 words
APPARATUS FOR THE CONTROLLED EJECTION OF FLUID COMPRISING, IN COMBINATION, AN AMPULE HAVING TWO ENDS AND A HOLLOW INTERIOR FILLED WITH SAID FLUID, A SOLID RECTANGULAR LEADER ATTACHED TO AND EXTENDING FROM ONE END OF THE AMPULE, A HOLLOW TUBE EXTENDING FROM THE END OF THE AMPULE OTHER THAN THAT TO WHICH THE SOLID LEADER IS ATTACHED AND HAVING ITS HOLLOW INTERIOR FILLED WITH SAID FLUID AND JOINED TO THE HOLLOW INTERIOR OF THE AMPULE, MEANS FOR CLOSING THAT END OF THE HOLLOW TUBE REMOTE FROM THE AMPULE, TWO CYLINDRICAL ROLLERS ENGAGING OPPOSITE SIDES OF THE SOLID LEADER AND HAVING THEIR CENTERS OF ROTATION PARALLEL TO EACH OTHER IN THE SAME PLANE, MEANS FOR ROTATING ONE CYLINDRICAL ROLLER IN A CLOCKWISE DIRECTION WHILE ROTATION THE OTHER CYLINDRICAL ROLLER IN A COUNTER-CLOCKWISE DIRECTION SO AS TO IMPART MOTION TO THE
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |