Patent US5003703A successfully refreshed from Google Patents.
US5003703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alignment indicator for machine tools
Assignee: Individual
•
Filing: 1987-09-14
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Granted: 1991-04-02
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Expires: 2007-09-14
Abstract
Abstract An indicator to be squeezed between the parts to be aligned in which the indication is provided by a level device associated with the indicator.
Inventors
- 👤 Carl E. Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:16
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/25; B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
An indicator comprising a plate having a planar lower surface adapted to rest on a cylindrical workpiece with the longitudinal axis of the plate above and in alignment with the longitudinal axis of the workpiece, a conical recess in the upper surface of the plate and on the longitudinal axis of the plate for receiving a test pin with a sharp point separated from said lower surface by a thin wall on which the point bears, and means on said plate for indicating inclination of said plate due to misalignment of said pin with the longitudinal axis of the workpiece.
Claim 2
Dependent Claim
100 words
An indicator comprising a plate having a planar lower surface adapted to rest on a cylindrical workpiece with the longitudinal axis of the plate above and in alignment with the longitudinal axis of the workpiece, a conical recess in the upper surface of the plate and on the longitudinal axis of the plate for receiving a test pin with a sharp point separated from said lower surface by a thin wall on which the point bears, and means on said plate for indicating inclination of said plate due to misalignment of said pin with the longitudinal axis of the workpiece.
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) | 1994-04-01 | 1994-10-01 | 1995-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-01 | 1998-10-01 | 1999-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-01 | 2002-10-01 | 2003-04-02 | $7700.00 | Window Closed / Lapsed |