US3090384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle
Assignee: MANUFACTURING PROCESS LABORATORIES Inc
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Filing: 1960-04-15
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Granted: 1963-05-21
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Expires: 1980-04-15
Abstract
No abstract record available.
Inventors
- 👤 Brian E Baldwin
- 👤 Ray S Lindenmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:09
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A HYPODERMIC NEEDLE FORMED FROM CYLINDRICAL STOCK HAVING A LUMEN OF UNIFORMLY CYLINDRICAL CROSS SECTION EXTENDING AXIALLY THERETHROUGH, SAID NEEDLE HAVING AN INCLINED FRONT FACE MERGING AT ITS REAR EDGE WITH THE CYLINDRICAL OUTER SURFACE OF SAID NEEDLE AND HAVING A PAIR OF SIDE FACES MEETING SAID FRONT FACE AT ACUTE ANGLES TO DEFINE A PAIR OF SHARP SIDE EDGES, SAID SIDE FACES ALSO MEETING EACH OTHER TO FORM A SHARP BOTTOM EDGE EXTENDING ALONG A LINE ANGLED SLIGHTLY WITH REFERENCE TO THE NEEDLE''S LONGITUDINALLY AXIS, SAID SIDE EDGES AND SAID BOTTOM EDGE CONVERGING TO DEFINE AN EXTREMELY SHARP NEEDLE POINT HAVING LOW PUNCTURE AND PENETRATION FORCE CHARACTERISTICS.
Claim 2
Dependent Claim
108 words
A HYPODERMIC NEEDLE FORMED FROM CYLINDRICAL STOCK HAVING A LUMEN OF UNIFORMLY CYLINDRICAL CROSS SECTION EXTENDING AXIALLY THERETHROUGH, SAID NEEDLE HAVING AN INCLINED FRONT FACE MERGING AT ITS REAR EDGE WITH THE CYLINDRICAL OUTER SURFACE OF SAID NEEDLE AND HAVING A PAIR OF SIDE FACES MEETING SAID FRONT FACE AT ACUTE ANGLES TO DEFINE A PAIR OF SHARP SIDE EDGES, SAID SIDE FACES ALSO MEETING EACH OTHER TO FORM A SHARP BOTTOM EDGE EXTENDING ALONG A LINE ANGLED SLIGHTLY WITH REFERENCE TO THE NEEDLE''S LONGITUDINALLY AXIS, SAID SIDE EDGES AND SAID BOTTOM EDGE CONVERGING TO DEFINE AN EXTREMELY SHARP NEEDLE POINT HAVING LOW PUNCTURE AND PENETRATION FORCE CHARACTERISTICS.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |