US3076254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
De-burring tool
Assignee: Individual
•
Filing: 1960-10-31
•
Granted: 1963-02-05
•
Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Ricci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:02
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/101; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T407/00; Y10T407/19; Y10T407/1946; Y10T407/28; Y10T408/00; Y10T408/89; Y10T408/892
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A DEBURRING TOOL FOR DEBURRING THE EDGES OF A HOLE IN A WORKPIECE COMPRISING A ROTARY SHANK ELEMENT HAVING AN AXIS OF ROTATION AND A DEBURRING ELEMENT; SAID SHANK ELEMENT HAVING A HOLDING END AND A WORKING END, SAID WORKING END BEING ROUNDED AT ITS TERMINUS FOR GUIDING INSERTION IN A HOLE AND HAVING A CYLINDRICAL PORTION ADJACENT SAID TERMINUS, SAID WORKING END FURTHER HAVING A TRANSVERSE BORE WHOSE AXIS IS TRANSVERSE TO SAID ROTARY AXIS IN SAID CYLINDRICAL PORTION ADJACENT SAID ROUNDED TERMINUS, AND KERFS ON OPPOSITE SIDES OF SAID WORKING END REMOTE FROM SAID TERMINUS IN GENERAL DIRECTIONAL ALIGNMENT WITH SAID BORE, SAID KERFS BEING OPPOSITELY ANGLED ONE TO THE OTHER, SAID DEBURRING ELEMENT BEING BENDABLE AND DEFORMABLE AND PASSING FREELY THROUGH SAID BORE AND HAVING END PORTIONS FIRMLY FIXED IN SAID KERFS TO FORM A SINGLE LOOPED SHAPED DEBURRING ELEMENT.
Claim 2
Dependent Claim
143 words
A DEBURRING TOOL FOR DEBURRING THE EDGES OF A HOLE IN A WORKPIECE COMPRISING A ROTARY SHANK ELEMENT HAVING AN AXIS OF ROTATION AND A DEBURRING ELEMENT; SAID SHANK ELEMENT HAVING A HOLDING END AND A WORKING END, SAID WORKING END BEING ROUNDED AT ITS TERMINUS FOR GUIDING INSERTION IN A HOLE AND HAVING A CYLINDRICAL PORTION ADJACENT SAID TERMINUS, SAID WORKING END FURTHER HAVING A TRANSVERSE BORE WHOSE AXIS IS TRANSVERSE TO SAID ROTARY AXIS IN SAID CYLINDRICAL PORTION ADJACENT SAID ROUNDED TERMINUS, AND KERFS ON OPPOSITE SIDES OF SAID WORKING END REMOTE FROM SAID TERMINUS IN GENERAL DIRECTIONAL ALIGNMENT WITH SAID BORE, SAID KERFS BEING OPPOSITELY ANGLED ONE TO THE OTHER, SAID DEBURRING ELEMENT BEING BENDABLE AND DEFORMABLE AND PASSING FREELY THROUGH SAID BORE AND HAVING END PORTIONS FIRMLY FIXED IN SAID KERFS TO FORM A SINGLE LOOPED SHAPED DEBURRING ELEMENT.
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |