US3217216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary capacitor apparatus
Assignee: Individual
•
Filing: 1962-07-12
•
Granted: 1965-11-09
•
Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Gianni A Dotto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/06; F02P7/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A CAPACITOR COMPRISING: A ROTARY SHAFT; A ROTARY HUB MEANS CARRIED BY SAID SHAFT; A PLURALITY OF PLATES CARRIED BY SAID HUB MEANS AND EXTENDING RADIALLY THEREFROM AT EQUALLY SPACED-APART POSITION ABOUT SAID HUB MEANS; A CENTRIFUGALLY OPERATED MECHANICAL ADVANCE MEANS COUPLED TO SAID SHAFT, SAID ADVANCE MEANS FOR ROTATING SAID HUB MEANS SLIGHTLY WITH RESPECT TO SAID SHAFT WHEN A PREDETERMINED SPEED OF ROTATION OF SAID SHAFT IS OBTAINED; AN ANNULAR SUPPORT MEMBER ENCOMPASSING SAID SHAFT AND SAID PLATES; A PLURALITY OF PLATES CARRIED BY SAID ANNULAR SUPPORT MEMBER THEREWITHIN AT EQUALLY SPACEDAPART POSITIONS, SAID PLURALITY OF PLATES CARRIED BY SAID HUB MEANS HAVING A GIVEN EVEN NUMBER RATIO TO SAID PLURALITY OF PLATES CARRIED BY SAID ANNULAR SUPPORT MEMBER, EACH OF SAID PLATES CARRIED BY SAID HUB MEANS MOVABLE TO A POSITION ADJACENT IN ALIGNMENT WITH ANY ONE OF SAID PLURALITY OF BLADES CARRIED BY SAID ANNULAR SUPPORT MEMBER FOR ESTABLISHING A CAPACITIVE RELATION THEREWITH.
Claim 2
Dependent Claim
157 words
A CAPACITOR COMPRISING: A ROTARY SHAFT; A ROTARY HUB MEANS CARRIED BY SAID SHAFT; A PLURALITY OF PLATES CARRIED BY SAID HUB MEANS AND EXTENDING RADIALLY THEREFROM AT EQUALLY SPACED-APART POSITION ABOUT SAID HUB MEANS; A CENTRIFUGALLY OPERATED MECHANICAL ADVANCE MEANS COUPLED TO SAID SHAFT, SAID ADVANCE MEANS FOR ROTATING SAID HUB MEANS SLIGHTLY WITH RESPECT TO SAID SHAFT WHEN A PREDETERMINED SPEED OF ROTATION OF SAID SHAFT IS OBTAINED; AN ANNULAR SUPPORT MEMBER ENCOMPASSING SAID SHAFT AND SAID PLATES; A PLURALITY OF PLATES CARRIED BY SAID ANNULAR SUPPORT MEMBER THEREWITHIN AT EQUALLY SPACEDAPART POSITIONS, SAID PLURALITY OF PLATES CARRIED BY SAID HUB MEANS HAVING A GIVEN EVEN NUMBER RATIO TO SAID PLURALITY OF PLATES CARRIED BY SAID ANNULAR SUPPORT MEMBER, EACH OF SAID PLATES CARRIED BY SAID HUB MEANS MOVABLE TO A POSITION ADJACENT IN ALIGNMENT WITH ANY ONE OF SAID PLURALITY OF BLADES CARRIED BY SAID ANNULAR SUPPORT MEMBER FOR ESTABLISHING A CAPACITIVE RELATION THEREWITH.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |