Patent US3210068A successfully refreshed from Google Patents.
US3210068A
Expired / Lapsed
US
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Magnetic spacing tool
Assignee: ConocoPhillips Co
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Filing: 1962-04-30
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Granted: 1965-10-05
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:41
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A TOOL FOR SPACING PARAMAGNETIC WORKPIECES HAVING VARIOUS DIAMETERS A DESIRED DISTANCE APART WHICH COMPRISES: A SPACER PLATE HAVING A THICKNESS CORRESPONDING TO THE DESIRED SPACING BETWEEN THE WORKPIECES OF PIPE, AND A MAGNET FOR ATTACHING THE TOOL TO ONE OF THE WORKPIECE, SECURED TO THE SPACER MEMBER AT A POSITION THEREON SPACED FROM ONE EDGE THEREOF A SUBSTANTIAL DISTANCE TO ALLOW INSERTION OF THE EDGE AND AT LEAST A PORTION OF THE SPACER MEMBER BETWEEN THE WORKPIECES, THE MAGNET BEING CHARACTERIZED BY TWO ELONGATED, PARALLEL CONTACT SURFACES FOR ENGAGING A WORKPIECE, THE CONTACT SURFACES BEING DISPOSED SUBSTANTIALLY PERPENDICULAR TO THE SPACER PLATE.
Claim 2
Dependent Claim
103 words
A TOOL FOR SPACING PARAMAGNETIC WORKPIECES HAVING VARIOUS DIAMETERS A DESIRED DISTANCE APART WHICH COMPRISES: A SPACER PLATE HAVING A THICKNESS CORRESPONDING TO THE DESIRED SPACING BETWEEN THE WORKPIECES OF PIPE, AND A MAGNET FOR ATTACHING THE TOOL TO ONE OF THE WORKPIECE, SECURED TO THE SPACER MEMBER AT A POSITION THEREON SPACED FROM ONE EDGE THEREOF A SUBSTANTIAL DISTANCE TO ALLOW INSERTION OF THE EDGE AND AT LEAST A PORTION OF THE SPACER MEMBER BETWEEN THE WORKPIECES, THE MAGNET BEING CHARACTERIZED BY TWO ELONGATED, PARALLEL CONTACT SURFACES FOR ENGAGING A WORKPIECE, THE CONTACT SURFACES BEING DISPOSED SUBSTANTIALLY PERPENDICULAR TO THE SPACER PLATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |