US3298085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming bushings
Assignee: Dayton Perforators Inc
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Filing: 1963-11-22
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Granted: 1967-01-17
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Expires: 1983-11-22
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.
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 |