US3071135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow needle
Assignee: MANUFACTURING PROCESS LABORATORIES Inc
•
Filing: 1960-01-27
•
Granted: 1963-01-01
•
Expires: 1980-01-27
Abstract
No abstract record available.
Inventors
- 👤 Brian E Baldwin
- 👤 Ray S Lindenmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:36
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3286
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A CYLINDRICAL HOLLOW NEEDLE HAVING A BEVELED FRONT FACE AND HAVING A LUMEN OF UNIFORM CROSS SECTION, SAID FRONT FACE PROVIDING A LUMEN OPENING HAVING CROSS SECTIONAL DIMENSIONS NO SMALLER THAN THE CROSS SECTION OF SAID LUMEN, SAID FACE PROVIDING A HEEL SURFACE BEHIND THE LUMEN OPENING THEREIN, SAID HEEL SURFACE BEING DISHED TO PROVIDE A SMOOTH-SURFACED EXTERNAL RECESS AND BLENDING SMOOTHLY AND GRADUALLY INTO THE REAR CYLINDRICAL SURFACE OF SAID NEEDLE BEYOND THE PERIMETER OF SAID BEVELED FACE.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |