US3242773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric hand drill attachment
Assignee: Individual
•
Filing: 1963-08-14
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Granted: 1966-03-29
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Marie Van Praag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:53
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0078; Y; Y10; Y10T; Y10T408/00; Y10T408/21; Y10T408/55; Y10T408/564; Y10T408/5653; Y10T408/96; Y10T408/98
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN ELECTRIC HAND DRILL ATTACHMENT COMPRISING AN ADJUSTABLE MOUNTING SUPPORT, SAID SUPPORT BEING AXIALLY ALIGNED WITH RESPECT TO THE AXIS OF THE DRILL CHUCK, A HORIZONTAL DEFLECTION INDICATOR MOUNTED ON SAID SUPPORT, SAID HORIZONTAL DEFLECTION INDICATOR INCLUDING A LEVEL ROTATABLY MOUNTED ON SAID SUPPORT, SAID HORIZONTAL DEFLECTION INDICATOR ADDITIONALLY INCLUDING AN ANGLE INDICATOR INDICATE THE AMOUNT OF ROTATION OF SAID LEVEL WITH RESPECT TO A REFERENCE LINE ON SAID SUPPORT PARALLEL TO SAID AXIS OF SAID DRILL CHUCK, SAID LEVEL BEING MOUNTED ON A POINTER, SAID POINTER HAVING ONE END THEREOF PIVOTALLY SECURED TO SAID SUPPORT, SAID ANGLE INDICATOR INCLUDING A 90* ARC HAVING ITS CENTER AT SAID POINTER ONE END, AN ALIGNMENT MEMBER SAID ALIGNMENT MEMBER INCLUDING TWO PARALLEL SPACED ROD MEMBERS, SAID POINTER HAVING A CHANNEL THEREIN FOR RECEIVING ONE OF SAID ROD MEMBERS, AND EACH OF SAID ROD MEMBERS BEING ADAPTED TO SIMULTANEOUSLY FIT IN SAID DRILL CHUCK AND SAID POINTER CHANNEL TO ALIGN SAID HORIZONTAL DEFLECTION INDICATOR WITH RESPECT TO THE AXIS OF SAID DRILL CHUCK.
Claim 2
Dependent Claim
170 words
AN ELECTRIC HAND DRILL ATTACHMENT COMPRISING AN ADJUSTABLE MOUNTING SUPPORT, SAID SUPPORT BEING AXIALLY ALIGNED WITH RESPECT TO THE AXIS OF THE DRILL CHUCK, A HORIZONTAL DEFLECTION INDICATOR MOUNTED ON SAID SUPPORT, SAID HORIZONTAL DEFLECTION INDICATOR INCLUDING A LEVEL ROTATABLY MOUNTED ON SAID SUPPORT, SAID HORIZONTAL DEFLECTION INDICATOR ADDITIONALLY INCLUDING AN ANGLE INDICATOR INDICATE THE AMOUNT OF ROTATION OF SAID LEVEL WITH RESPECT TO A REFERENCE LINE ON SAID SUPPORT PARALLEL TO SAID AXIS OF SAID DRILL CHUCK, SAID LEVEL BEING MOUNTED ON A POINTER, SAID POINTER HAVING ONE END THEREOF PIVOTALLY SECURED TO SAID SUPPORT, SAID ANGLE INDICATOR INCLUDING A 90* ARC HAVING ITS CENTER AT SAID POINTER ONE END, AN ALIGNMENT MEMBER SAID ALIGNMENT MEMBER INCLUDING TWO PARALLEL SPACED ROD MEMBERS, SAID POINTER HAVING A CHANNEL THEREIN FOR RECEIVING ONE OF SAID ROD MEMBERS, AND EACH OF SAID ROD MEMBERS BEING ADAPTED TO SIMULTANEOUSLY FIT IN SAID DRILL CHUCK AND SAID POINTER CHANNEL TO ALIGN SAID HORIZONTAL DEFLECTION INDICATOR WITH RESPECT TO THE AXIS OF SAID DRILL CHUCK.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |