← Back to Patent Explorer
US3259770A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable electric tool with a two part housing

Assignee: Sunbeam Corp
•
Filing: 1962-06-08
•
Granted: 1966-07-05
•
Expires: 1982-06-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles A Mattson
  • 👤 William V Kalnins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:07
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/145; B; B26; B26B; B26B19/00; B26B19/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 147 words
A PORTABLE ELECTRIC TOOL COMPRISING A TUBULAR HOUSING HAVING A HAND GRIP PORTION SUITABLE FOR BEING GRIPPED BY THE HAND OF THE USER, SAID HOUSING BEING FORMED OF AN ELECTRICALLY INSULATING PLASTIC MATERIAL, AN ELONGATED MOTOR HAVING A STATOR AND A ROTARY ARMATURE POSITIONED WITHIN SAID HOUSING, SAID HOUSING BEING DIVIDED LENGTHWISE INTO A BASE AND A COVER, AN OPERATING HEAD MOUNTED AT THE FORWARD END OF SAID BASE, MEANS SECURING SAID STATOR AND THE BEARINGS FOR SAID ARMATURE DIRECTLY TO SAID BASE, A PAIR OF HOUSING PROJECTIONS EXTENDING LATERALLY OF SAID TUBULAR HOUSING REARWARDLY OF SAID HAND GRIP PORTION, SAID PROJECTIONS BEING INTEGRALLY FORMED WITH SAID BASE AND SAID COVER, SAID PROJECTIONS EACH HAVING INWARDLY OPENING RECESSES FORMED THEREIN, AND BRUSH ASSEMBLIES FORMED OF ELECTRICALLY CONDUCTING MATERIAL AND BEING SUPPORTED IN SAID RECESSES BY SAID HOUSING IN INSULATED RELATION TO THE OTHER PARTS OF SAID MOTOR.
Claim 2
Dependent Claim 147 words
A PORTABLE ELECTRIC TOOL COMPRISING A TUBULAR HOUSING HAVING A HAND GRIP PORTION SUITABLE FOR BEING GRIPPED BY THE HAND OF THE USER, SAID HOUSING BEING FORMED OF AN ELECTRICALLY INSULATING PLASTIC MATERIAL, AN ELONGATED MOTOR HAVING A STATOR AND A ROTARY ARMATURE POSITIONED WITHIN SAID HOUSING, SAID HOUSING BEING DIVIDED LENGTHWISE INTO A BASE AND A COVER, AN OPERATING HEAD MOUNTED AT THE FORWARD END OF SAID BASE, MEANS SECURING SAID STATOR AND THE BEARINGS FOR SAID ARMATURE DIRECTLY TO SAID BASE, A PAIR OF HOUSING PROJECTIONS EXTENDING LATERALLY OF SAID TUBULAR HOUSING REARWARDLY OF SAID HAND GRIP PORTION, SAID PROJECTIONS BEING INTEGRALLY FORMED WITH SAID BASE AND SAID COVER, SAID PROJECTIONS EACH HAVING INWARDLY OPENING RECESSES FORMED THEREIN, AND BRUSH ASSEMBLIES FORMED OF ELECTRICALLY CONDUCTING MATERIAL AND BEING SUPPORTED IN SAID RECESSES BY SAID HOUSING IN INSULATED RELATION TO THE OTHER PARTS OF SAID MOTOR.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-04 1970-01-03 1970-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-04 1974-01-03 1974-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-04 1978-01-03 1978-07-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag