US3094653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic generator
Assignee: EMD Millipore Corp
•
Filing: 1961-05-22
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Granted: 1963-06-18
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 May Dan B Le
- 👤 Charles F Drexel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
H; H02; H02N; H02N1/00; H02N1/06; H02N1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
AN ELECTROSTATIC ENERGY CONVERSION SYSTEM FOR USE BETWEEN A MECHANICAL MEANS FOR CARRYING MECHANICAL ENERGY AND AN ELECTRICAL MEANS FOR CARRYING ELECTRICAL ENERGY COMPRISING: A VARIABLE CAPACITANCE MEANS; MEANS FOR MECHANICALLY COUPLING SAID VARIABLE CAPACITANCE MEANS TO SAID MECHANICAL MEANS WHEREBY SAID VARIABLE CAPACITANCE MEANS UNDERGOES A CYCLIC CAPACITIVE VARIATION UPON SAID MECHANICAL MEANS CARRY-ENERGY; SWITCH MEANS FOR ELECTRICALLY COUPLING SAID VARIABLE CAPACITANCE MEANS TO SAID ELECTRICAL MEANS, WHEREBY THE VOLTAGE ON SAID CAPACITANCE MEANS IS VARIED IN RELATION TO THE CAPACI-
References Cited (Backward Citations)
US2542494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |