US3147639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table ventilator
Assignee: Industriele Onderneming WH Braskamp NV
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Filing: 1962-02-07
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Granted: 1964-09-08
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Braskamp Willem Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:45
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/10; F04D25/105; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
FOR A TABLE VENTILATOR HAVING A FAN DRIVEN BY A MOTOR AND A CASING SUPPORTING THE FAN AND MOTOR AND ADAPTED TO PIVOT ABOUT A BASE, OSCILLATTING MEANS FOR CONTROLLING IN ADJUSTABLE MANNER THE PIVOTAL MOVEMENT OF THE CASING ABOUT THE BASE, SAID OSCILLATING MEANS COMPRISING FIRST AND SECOND DISCS RIGIDLY COUPLED TOGETHER IN SPACED FACING RELATION, ONE OF THE DISCS BEING PROVIDED WITH A PLURALITY OF CAVITIES FACING THE OTHER DISC, THE OTHER DISC HAVING A PLURALITY OF SLOTS THEREIN IN REGISTRY WITH THE CAVITIES IN THE FIRST SAID DISC, MEANS COUPLING THE MOTOR TO THE FIRST SAID DISC FOR ROTATING THE FIRST DISC ABOUT A CENTRAL AXIS THEREOF, A CRANK PIN, AND MEANS PIVOTALLY CONNECTED TO THE BASE AND SUPPORTING THE CRANK PIN FOR SLIDABLE MOVEMENT IN THE SLOTS IN THE SECOND SAID DISC, SAID
Claim 2
Dependent Claim
137 words
FOR A TABLE VENTILATOR HAVING A FAN DRIVEN BY A MOTOR AND A CASING SUPPORTING THE FAN AND MOTOR AND ADAPTED TO PIVOT ABOUT A BASE, OSCILLATTING MEANS FOR CONTROLLING IN ADJUSTABLE MANNER THE PIVOTAL MOVEMENT OF THE CASING ABOUT THE BASE, SAID OSCILLATING MEANS COMPRISING FIRST AND SECOND DISCS RIGIDLY COUPLED TOGETHER IN SPACED FACING RELATION, ONE OF THE DISCS BEING PROVIDED WITH A PLURALITY OF CAVITIES FACING THE OTHER DISC, THE OTHER DISC HAVING A PLURALITY OF SLOTS THEREIN IN REGISTRY WITH THE CAVITIES IN THE FIRST SAID DISC, MEANS COUPLING THE MOTOR TO THE FIRST SAID DISC FOR ROTATING THE FIRST DISC ABOUT A CENTRAL AXIS THEREOF, A CRANK PIN, AND MEANS PIVOTALLY CONNECTED TO THE BASE AND SUPPORTING THE CRANK PIN FOR SLIDABLE MOVEMENT IN THE SLOTS IN THE SECOND SAID DISC, SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |