US3292673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated portable hand saw
Assignee: Porter Cable Corp
•
Filing: 1963-08-27
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Granted: 1966-12-20
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Edward G Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:40
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0078; B23Q11/0092; B27; B27B; B27B5/00; B27B5/29; B27B5/38; B27B9/00; B27B9/02; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A POWER OPERATED PORTABLE HAND SAW COMPRISING A BASE PLATE, A SUPPORT MEMBER EXTENDING UPWARDLY FROM SAID BASE PLATE, A MOTOR HOUSING HAVING A SURFACE SLIDABLY ENGAGING SAID SUPPORT FOR VERTICAL MOVEMENT OF THE HOUSING RELATIE TO SAID SUPPORT, A CLAMPING STRUCTURE CARRIED BY SAID SUPPORT AND INCLUDING AN ACTUATING HAND KNOB LOCATED EXTERIORLY OF SAID SUPPORT, SAID CLAMPING STRUCTURE BEING OPERABLE UPON ROTATION OF SAID KNOB IN ONE DIRECTION TO CLAMP SAID HOUSING TO SAID SUPPORT AND UPON REVERSE ROTATION OF SAID KNOB TO UNCLAMP SAID HOUSING FROM SAID SUPPORT, AN ADJUSTING SCREW CARRIED BY SAID HOUSING AND BEING JOURNALLED FOR ROTATION ABOUT A VERTICAL AXIS, A HALF NUT MOUNTED IN SAID SUPPORT FOR MOVEMENT IN A DIRECTION TRANSVERSELY OF SAID SCREW INTO AND OUT OF THREADED ENGAGEMENT THEREWITH, SAID SCREW BEING OPERABLE UPON ROTATIONAL ENGAGEMENT WITH SAID HALF NUT TO EFFECT VERTICAL MOVEMENT OF SAID HOUSING RELATIVE TO SAID SUPPORT WHEN THE SAME ARE IN UNCLAMPED RELATION, AND MEANS OPERABLE EXTERIORLY OF SAID SUPPORT FOR MOVING SAID HALD NUT OUT OF ENGAGEMENT WITH SAID SCREW.
Claim 2
Dependent Claim
177 words
A POWER OPERATED PORTABLE HAND SAW COMPRISING A BASE PLATE, A SUPPORT MEMBER EXTENDING UPWARDLY FROM SAID BASE PLATE, A MOTOR HOUSING HAVING A SURFACE SLIDABLY ENGAGING SAID SUPPORT FOR VERTICAL MOVEMENT OF THE HOUSING RELATIE TO SAID SUPPORT, A CLAMPING STRUCTURE CARRIED BY SAID SUPPORT AND INCLUDING AN ACTUATING HAND KNOB LOCATED EXTERIORLY OF SAID SUPPORT, SAID CLAMPING STRUCTURE BEING OPERABLE UPON ROTATION OF SAID KNOB IN ONE DIRECTION TO CLAMP SAID HOUSING TO SAID SUPPORT AND UPON REVERSE ROTATION OF SAID KNOB TO UNCLAMP SAID HOUSING FROM SAID SUPPORT, AN ADJUSTING SCREW CARRIED BY SAID HOUSING AND BEING JOURNALLED FOR ROTATION ABOUT A VERTICAL AXIS, A HALF NUT MOUNTED IN SAID SUPPORT FOR MOVEMENT IN A DIRECTION TRANSVERSELY OF SAID SCREW INTO AND OUT OF THREADED ENGAGEMENT THEREWITH, SAID SCREW BEING OPERABLE UPON ROTATIONAL ENGAGEMENT WITH SAID HALF NUT TO EFFECT VERTICAL MOVEMENT OF SAID HOUSING RELATIVE TO SAID SUPPORT WHEN THE SAME ARE IN UNCLAMPED RELATION, AND MEANS OPERABLE EXTERIORLY OF SAID SUPPORT FOR MOVING SAID HALD NUT OUT OF ENGAGEMENT WITH SAID SCREW.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |