Patent US3674376A successfully refreshed from Google Patents.
US3674376A
Expired / Lapsed
US
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Doweling jig
Assignee: HOME AND IND TOOL DISTRIBUTORS
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Filing: 1971-02-18
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Granted: 1972-07-04
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Expires: 1991-02-18
Abstract
Abstract A DOWELING JIG BODY CLAMPS OVER THE EDGES OF TWO BOARDS TO BE DOWELED TOGETHER, THE DOWELING JIG BODY HAVING A CENTRAL POSITIONING MEMBER EXTENDING DOWNWARD BETWEEN THE BOARDS AND AN ARM PIVOTALLY MOUNTED ABOVE IT, THE ARM HAVING AT LEAST ONE DRILL BUSHING IN ITS FRONT END AND A LONGITUDINALLY MOVABLE STOP FIXED IN ITS BACK END, THE STOP EXTENDING DOWNWARD TO ENGAGE TWO INWARD FACING SURFACES OF THE JIG BODY SO THAT THE STOP ALLOWS THE ARM TO PIVOT THE SAME DISTANCE RIGHT AND LEFT TO POSITION AT LEAST ONE DRILL BUSHING OVER EACH BOARD TO DRILL A DOWEL RECEIVING HOLE.
Inventors
- 👤 Howard Silken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:14
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/28; B23B47/287; B23B47/288; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/563; Y10T408/5638; Y10T408/567
Claims Analysis
Total Claims: 0
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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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |