Patent US3223282A successfully refreshed from Google Patents.
US3223282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision measuring syringe
Assignee: Individual
•
Filing: 1964-03-09
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Granted: 1965-12-14
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Garth A Kloehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:32
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/315; A61M5/31525; A61M5/31531; B; B01; B01L; B01L3/00; B01L3/02; B01L3/021; B01L3/0217; B01L3/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HIGH-PRECISION MICRO MEASURING SYRINGE COMPRISING A THICK-WALLED TRANSPARENT BARREL WITH A BORE OF UNIFORM CROSS-SECTION THERETHROUGH AND HAVING A GRADUATED SCALE EXTENDING LENGTHWISE OF ITS EXTERIOR, HOLLOW NEEDLE MEANS HAVING A SHANK END FITTING SNUGLY AND IN A FLUIDTIGHT MANNER IN ONE END OF SAID BORE WITH ITS INNER END TERMINATING OPPOSIRE A PREDETERMINED GRAUDUATION LINE OF SAID SCALE, MEANS FOR RELEASABLY CLAMPING SAID NEEDLE IN ASSEBMLED POSITION IN SAID BARREL BORE IN A LEAKPROOF MANNER, AND MEANS RECIPROCABLY SUPPORTING A FLUID DISPENSING PLUNGER IN THE OTHER END OF SAID BORE AND OPERABLE AS SAID PLUNGER IS DEPRESSED TO DISPENSE A PRECISE QUANTITY OF FLUID FROM SAID BORE AND THROUGH SAID HOLLOW NEEDLE UNDER PRESSURE OF AT LEAST SEVERAL POUNDS PER SQUARE INCH.
Claim 2
Dependent Claim
124 words
A HIGH-PRECISION MICRO MEASURING SYRINGE COMPRISING A THICK-WALLED TRANSPARENT BARREL WITH A BORE OF UNIFORM CROSS-SECTION THERETHROUGH AND HAVING A GRADUATED SCALE EXTENDING LENGTHWISE OF ITS EXTERIOR, HOLLOW NEEDLE MEANS HAVING A SHANK END FITTING SNUGLY AND IN A FLUIDTIGHT MANNER IN ONE END OF SAID BORE WITH ITS INNER END TERMINATING OPPOSIRE A PREDETERMINED GRAUDUATION LINE OF SAID SCALE, MEANS FOR RELEASABLY CLAMPING SAID NEEDLE IN ASSEBMLED POSITION IN SAID BARREL BORE IN A LEAKPROOF MANNER, AND MEANS RECIPROCABLY SUPPORTING A FLUID DISPENSING PLUNGER IN THE OTHER END OF SAID BORE AND OPERABLE AS SAID PLUNGER IS DEPRESSED TO DISPENSE A PRECISE QUANTITY OF FLUID FROM SAID BORE AND THROUGH SAID HOLLOW NEEDLE UNDER PRESSURE OF AT LEAST SEVERAL POUNDS PER SQUARE INCH.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |