US3248975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter-sinking and burr-removing tool
Assignee: Individual
•
Filing: 1964-01-06
•
Granted: 1966-05-03
•
Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Breuning Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:48
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/101; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T408/00; Y10T408/89; Y10T408/896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A COUNTER-SINKING AND BURR-REMOVING TOOL, COMPRISING: A SHAFT HAVING A HEAD PORTION THEREON, SAID HEAD PORTION HAVING A SUBSTANTIALLY CONICAL CAVITY THEREIN; A CUTTING MEMBER REMOVABLY FASTENED TO SAID HEAD PORTION, SAID CUTTING MEMBER BEING MADE FROM A HIGHGRADE CUTTTING MATERIAL AND HAVING TWO CONICAL PORTIONS WHICH EXTEND IN OPPOSITE DIRECTIONS FROM A COMMON INTERMEDIATE PORTION, SAID CONICAL PORTIONS CONVERGING IN DIRECTIONS AWAY FROM SAID INTERMEDIATE PORTION, EACH OF SAID CONICAL PORTIONS HAVING AT LEAST ONE CUTTING EDGE ON ITS SURFACE, ONE OF SAID CONICAL PORTIONS OF SAID CUTTING MEMBER BEING RECEIVED IN SAID CONICAL CAVITY IN SAID HEAD PORTION AND THE OTHER CONICAL PORTION PROJECTING AWAY FROM SAID HEAD PORTION; AND MEANS FOR RELEASABLY SECURING SAID CUTTING MEMBER TO SAID HEAD PORTION.
Claim 2
Dependent Claim
123 words
A COUNTER-SINKING AND BURR-REMOVING TOOL, COMPRISING: A SHAFT HAVING A HEAD PORTION THEREON, SAID HEAD PORTION HAVING A SUBSTANTIALLY CONICAL CAVITY THEREIN; A CUTTING MEMBER REMOVABLY FASTENED TO SAID HEAD PORTION, SAID CUTTING MEMBER BEING MADE FROM A HIGHGRADE CUTTTING MATERIAL AND HAVING TWO CONICAL PORTIONS WHICH EXTEND IN OPPOSITE DIRECTIONS FROM A COMMON INTERMEDIATE PORTION, SAID CONICAL PORTIONS CONVERGING IN DIRECTIONS AWAY FROM SAID INTERMEDIATE PORTION, EACH OF SAID CONICAL PORTIONS HAVING AT LEAST ONE CUTTING EDGE ON ITS SURFACE, ONE OF SAID CONICAL PORTIONS OF SAID CUTTING MEMBER BEING RECEIVED IN SAID CONICAL CAVITY IN SAID HEAD PORTION AND THE OTHER CONICAL PORTION PROJECTING AWAY FROM SAID HEAD PORTION; AND MEANS FOR RELEASABLY SECURING SAID CUTTING MEMBER TO SAID HEAD PORTION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |