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US3298085A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming bushings

Assignee: Dayton Perforators Inc
•
Filing: 1963-11-22
•
Granted: 1967-01-17
•
Expires: 1983-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Bleicher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 03:26
CPC Classifications
B; B24; B24B; B24B19/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49789; Y10T29/49796; Y10T29/49826; Y10T29/49893; Y10T29/49995; Y10T29/49996

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 97 words
A METHOD OF FORMING A GUIDE BUSHING INCLUDING THE STEPS OF FORMING MATING BLANKS AND, WITH REFERENCE TO EACH BLANK, CUTTING A DEPRESSION IN ONE SURFACE THEREOF, SETTING A GRINDING WHEEL THE PERIPHERAL SURFACE OF WHICH HAS A UNIFORMLY ARCUATE CROSS-SECTIONAL CONTOUR SO SAID PERIPHERAL GRINDING SURFACE IS ESTABLISHED TO OPERATE IN ONE PLANE INCLINED TO THE PLANE OF SAID ONE SURFACE, IN LINE WITH THE DEPRESSION THEREIN, AND INDUCING RELATIVE STRAIGHT LINE MOVEMENT BETWEEN SAID WHEEL AND BLANK TO EFFECT AN INTERENGAGEMENT THEREOF AND SMOOTH UNIFORM EXPANSION OF THE DEPRESSION TO ONE END OF SAID BLANK.
Claim 2
Independent Claim 97 words
A METHOD OF FORMING A GUIDE BUSHING INCLUDING THE STEPS OF FORMING MATING BLANKS AND, WITH REFERENCE TO EACH BLANK, CUTTING A DEPRESSION IN ONE SURFACE THEREOF, SETTING A GRINDING WHEEL THE PERIPHERAL SURFACE OF WHICH HAS A UNIFORMLY ARCUATE CROSS-SECTIONAL CONTOUR SO SAID PERIPHERAL GRINDING SURFACE IS ESTABLISHED TO OPERATE IN ONE PLANE INCLINED TO THE PLANE OF SAID ONE SURFACE, IN LINE WITH THE DEPRESSION THEREIN, AND INDUCING RELATIVE STRAIGHT LINE MOVEMENT BETWEEN SAID WHEEL AND BLANK TO EFFECT AN INTERENGAGEMENT THEREOF AND SMOOTH UNIFORM EXPANSION OF THE DEPRESSION TO ONE END OF SAID BLANK.

References Cited (Backward Citations)

US973191A Cited
GB451729A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-16 1970-07-18 1971-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-16 1974-07-18 1975-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-16 1978-07-18 1979-01-17 $7700.00 Window Closed / Lapsed

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