US3085169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed-setting indicators for portable electric tools
Assignee: Diehl Manufacturing Co
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Filing: 1960-02-24
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Granted: 1963-04-09
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 George J Abel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:29
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H9/061; B; B23; B23B; B23B45/00; B23B45/02; B23D; B23D49/00; B23D49/10; B23D49/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ADJUSTABLE SPEED-SETTING ELEMENT FOR A PORTABLE ELECTRIC TOOL HAVING ATTACHABLE CUTTER ELEMENTS OF VARIOUS SIZES, A COMMUTATOR MOTOR HAVING SERIES-CONNECTED FIELD AND ARMATURE WINDINGS AND A SPEED-REGULATING CONTROL SYSTEM FOR SAID MOTOR, COMPRISING KNOB AND POINTER MEANS FOR ADJUSTING SAID ELEMENT, AND A NORMALLY STATIONARY INDEX PLATE CARRYING INDICIA OF MATERIAL KIND AND CUTTER SIZE COOPERATING WITH SAID KNOB AND POINTER MEANS FOR ADJUSTING SAID SPEED-SETTING ELEMENT TO A PREDETERMINED OPTIMUM SPEED CORRESPONDING TO A SELECTED MATERIAL KIND AND CUTTER SIZE, SAID INDEX PLATE BEING MOVABLE SELECTIVELY WITH RESPECT TO SAID SPEED-SETTING ELEMENT TO EFFECT RECALIBRATION THEREOF IN ACCORDANCE WITH THE KIND OF MATERIAL TO BE CUT.
Claim 2
Dependent Claim
108 words
AN ADJUSTABLE SPEED-SETTING ELEMENT FOR A PORTABLE ELECTRIC TOOL HAVING ATTACHABLE CUTTER ELEMENTS OF VARIOUS SIZES, A COMMUTATOR MOTOR HAVING SERIES-CONNECTED FIELD AND ARMATURE WINDINGS AND A SPEED-REGULATING CONTROL SYSTEM FOR SAID MOTOR, COMPRISING KNOB AND POINTER MEANS FOR ADJUSTING SAID ELEMENT, AND A NORMALLY STATIONARY INDEX PLATE CARRYING INDICIA OF MATERIAL KIND AND CUTTER SIZE COOPERATING WITH SAID KNOB AND POINTER MEANS FOR ADJUSTING SAID SPEED-SETTING ELEMENT TO A PREDETERMINED OPTIMUM SPEED CORRESPONDING TO A SELECTED MATERIAL KIND AND CUTTER SIZE, SAID INDEX PLATE BEING MOVABLE SELECTIVELY WITH RESPECT TO SAID SPEED-SETTING ELEMENT TO EFFECT RECALIBRATION THEREOF IN ACCORDANCE WITH THE KIND OF MATERIAL TO BE CUT.
References Cited (Backward Citations)
US1522634A
Cited
US1536710A
Cited
US2671191A
Cited
US2711461A
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US2707222A
Cited
US2857533A
Cited
US2939064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |