US3368090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable motor driven power tool
Assignee: Chicago Wheel and Manufacturing Co
•
Filing: 1965-05-28
•
Granted: 1968-02-06
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Henry E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:03
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A PORTABLE CONSTRUCTED TO REDUCE THE AMOUNT OF NOISE AND VIBRATIONS EMANATING THEREFROM DURING THE USE OF SAID POWER TOOL COMPRISING: HOUSING ELEMENTS OF MOLDED MATERIAL HAVING AN EXTERIOR OUTER SURFACE FOR GRIPPING BY AN OPERATOR AND HAVING INTERIOR, FLAT SURFACES FOR MATING ENGAGEMENT ONE WITH ANOTHER, CAVITIES FORMED IN SAID FLAT SURFACES AND BEING CONFINED INTERIORLY OF SAID HOUSING ELEMENTS EXCEPT FOR A LONGITUDINAL CAVITY FOR SAID TOOL, SHAFT MEANS DISPOSED IN SAID LONGITUDINAL CAVITY AND FOR ROTATING SAID TOOL, BEARING MEANS FOR ROTATABLY SUPPORTING SAID SHAFT MEANS, FIRST ISOLATION MEANS DISPOSED IN ALIGNED CAVITIES FORMED IN SAID HOUSING ELEMENTS, SAID
Claim 2
Dependent Claim
103 words
IN A PORTABLE CONSTRUCTED TO REDUCE THE AMOUNT OF NOISE AND VIBRATIONS EMANATING THEREFROM DURING THE USE OF SAID POWER TOOL COMPRISING: HOUSING ELEMENTS OF MOLDED MATERIAL HAVING AN EXTERIOR OUTER SURFACE FOR GRIPPING BY AN OPERATOR AND HAVING INTERIOR, FLAT SURFACES FOR MATING ENGAGEMENT ONE WITH ANOTHER, CAVITIES FORMED IN SAID FLAT SURFACES AND BEING CONFINED INTERIORLY OF SAID HOUSING ELEMENTS EXCEPT FOR A LONGITUDINAL CAVITY FOR SAID TOOL, SHAFT MEANS DISPOSED IN SAID LONGITUDINAL CAVITY AND FOR ROTATING SAID TOOL, BEARING MEANS FOR ROTATABLY SUPPORTING SAID SHAFT MEANS, FIRST ISOLATION MEANS DISPOSED IN ALIGNED CAVITIES FORMED IN SAID HOUSING ELEMENTS, SAID
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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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |