Patent US3246545A successfully refreshed from Google Patents.
US3246545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Working tool
Assignee: Individual
•
Filing: 1964-05-13
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Granted: 1966-04-19
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Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald J Shugars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
B; B23; B23B; B23B51/00; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/564; Y10T408/5653; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8583; Y10T82/00; Y10T82/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN AUTOMATIC INTERNAL WORKING TOOL, COMPRISING: A HOUSING; AN ELONGATED HOLLOW TOOL BAR SLIDABLY MOUNTED IN SAID HOUSING, SAID TOOL BAR HAVING ONE END EXTENDING AXIALLY FROM SAID HOUSING; WORKING ELEMENTS MOUNTED ADJACENT SAID END OF SAID TOOL BAR, SAID ELEMENTS MOVABLE WITH RESPECT TO SAID TOOL BAR IN A DIRECTION OUTWARDLY FROM THE AXIS THEREOF; MEANS NORMALLY BIASING SAID WORKING ELEMENTS TOWARD SAID AXIS OF SAID TOOL BAR; A CAM ROD SLIDABLY MOUNTED WITHIN SAID TOOL BAR AND ABUTTED WITHIN SAID HOUSING; SAID CAM ROD HAVING A DIAMETER LESS THAN THE DIAMETER OF THE INTERIOR OF SAID HOLLOW TOOL BAR, SAID CAM ROD FLOATING THEREIN; AND SAID CAM ROD TAPERED AT ONE END THEREOF, POSITIONED TO PASS BETWEEN SAID WORKING ELEMENTS UPON RELATIVE MOVEMENT OF SAID TOOL BAR AND SAID HOUSING, THEREBY MOVING SAID WORKING ELEMENTS OUTWARDLY TO A WORKING POSITION.
Claim 2
Dependent Claim
142 words
AN AUTOMATIC INTERNAL WORKING TOOL, COMPRISING: A HOUSING; AN ELONGATED HOLLOW TOOL BAR SLIDABLY MOUNTED IN SAID HOUSING, SAID TOOL BAR HAVING ONE END EXTENDING AXIALLY FROM SAID HOUSING; WORKING ELEMENTS MOUNTED ADJACENT SAID END OF SAID TOOL BAR, SAID ELEMENTS MOVABLE WITH RESPECT TO SAID TOOL BAR IN A DIRECTION OUTWARDLY FROM THE AXIS THEREOF; MEANS NORMALLY BIASING SAID WORKING ELEMENTS TOWARD SAID AXIS OF SAID TOOL BAR; A CAM ROD SLIDABLY MOUNTED WITHIN SAID TOOL BAR AND ABUTTED WITHIN SAID HOUSING; SAID CAM ROD HAVING A DIAMETER LESS THAN THE DIAMETER OF THE INTERIOR OF SAID HOLLOW TOOL BAR, SAID CAM ROD FLOATING THEREIN; AND SAID CAM ROD TAPERED AT ONE END THEREOF, POSITIONED TO PASS BETWEEN SAID WORKING ELEMENTS UPON RELATIVE MOVEMENT OF SAID TOOL BAR AND SAID HOUSING, THEREBY MOVING SAID WORKING ELEMENTS OUTWARDLY TO A WORKING POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |