Patent US3680544A successfully refreshed from Google Patents.
US3306502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injection of fluids
Assignee: PRECISION SAMPLING CORP
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Filing: 1965-04-28
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Granted: 1967-02-28
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Expires: 1985-04-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Rano Joseph Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
A; A61; A61M; A61M5/00; B; B01; B01J; B01J4/00; B01J4/02; B01L; B01L3/00; B01L3/02; B01L3/021; B01L3/0217; B01L3/022; G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/16; G01N30/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN COMBINATION, APPARATUS COMPRISING A HOLLOW NEEDLE OPEN FROM ONE END FORWARD THROUGH ITS CENTRAL AXIS TO PROVIDE AN AXIAL OPENING, BUT BEING CLOSED AT ITS OPPOSITE EXTREMITY, A SIDE PERFORATED OPENING IN THE NEEDLE WALL LOCATED AT A DISTANCE AWAY FROM THE CLOSED END OF THE NEEDLE, A WALL PORTION IN THE NEEDLE LOCATED BETWEEN THE
Claim 2
Dependent Claim
57 words
IN COMBINATION, APPARATUS COMPRISING A HOLLOW NEEDLE OPEN FROM ONE END FORWARD THROUGH ITS CENTRAL AXIS TO PROVIDE AN AXIAL OPENING, BUT BEING CLOSED AT ITS OPPOSITE EXTREMITY, A SIDE PERFORATED OPENING IN THE NEEDLE WALL LOCATED AT A DISTANCE AWAY FROM THE CLOSED END OF THE NEEDLE, A WALL PORTION IN THE NEEDLE LOCATED BETWEEN THE
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |