US3562643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring loaded test probe assembly
Assignee: OSTBY AND BARTON Co
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Filing: 1969-01-21
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Granted: 1971-02-09
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Expires: 1989-01-21
Abstract
Abstract A SPRING LOADED CONTACT ASSEMBLY HAVING A BARREL FOR FITTING INTO THE OPENING IN A TEST BOARD WITH A TERMINAL FIXED TO AND EXTENDING FROM ONE END OF THE BARREL AND A PLUNGER TERMINAL SLIDABLE IN THE BARREL AND PROTRUDING FROM THE OPPOSITE END. A SPRING ACTS BETWEEN THE FIXED TERMINAL AND PLUNGER TERMINAL URGING THE LATTER OUTWARDLY OF THE BARREL WHILE THE PLUNGER TERMINAL IS ARRANGED TO HAVE AN AXIALLY DEFLECTABLE TIP FOR MOVEMENT LATERAL OF ITS AXIS UNDER PRESSURE AND OF SUCH RESILIENCE THAT THE TIP OF THE PLUNGER WILL MOVE BACK INTO AXIAL ALIGNMENT WITH THE PLUNGER TERMINAL WHEN PRESSURE THEREON IS RELEASED.
Inventors
- 👤 James P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:01
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/06711; G01R1/06716; G01R1/06722
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |