US3339136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus including time controlled indicating means and constant energy discharge storage means for electrically testing for holidays in insulating coatings
Assignee: Tinker & Rasor
•
Filing: 1963-02-25
•
Granted: 1967-08-29
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 John P Rasor
- 👤 Robert B Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:38
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/20; G01N27/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
INA HOLIDAY DETECTOR, AN ADJUSTABLE VOLTAGE POWER SUPPLY MEANS ADJUSTABLE CAPACITANCE CAPACITOR MEANS, MEANS FOR SUPPLYING ENERGY TO SAID CAPACITOR MEANS FROM SAID POWER SUPPLY MEANS, MEANS OPERATED IN COMMON WITH SAID CAPACITOR MEANS AND POWER SUPPLY MEANS FOR SIMULTANEOUSLY VARYING BOTH THE VOLTAGE OF THE POWER SUPPLY MEANS AND CAPACITANCE OF THE CAPACITOR MEANS SUCH THAT THE VOLTAGE SUPPLIED TO SAID CAPACITOR MEANS IS INVERSELY RELATED TO THE CAPACITANCE OF SAID CAPACITOR MEANS TO PROVIDE SUBSTANTIALLY CONSTANT ENERGY STORAGE IN SAID CAPACITOR MEANS FOR DIFFERENT VALUES OF SUPPLIED VOLTAGE, AND MEANS FOR DISCHARGING SAID CAPACITOR MEANS ACROSS A MATERIAL TO BE TESTED FOR HOLIDAYS.
Claim 2
Dependent Claim
105 words
INA HOLIDAY DETECTOR, AN ADJUSTABLE VOLTAGE POWER SUPPLY MEANS ADJUSTABLE CAPACITANCE CAPACITOR MEANS, MEANS FOR SUPPLYING ENERGY TO SAID CAPACITOR MEANS FROM SAID POWER SUPPLY MEANS, MEANS OPERATED IN COMMON WITH SAID CAPACITOR MEANS AND POWER SUPPLY MEANS FOR SIMULTANEOUSLY VARYING BOTH THE VOLTAGE OF THE POWER SUPPLY MEANS AND CAPACITANCE OF THE CAPACITOR MEANS SUCH THAT THE VOLTAGE SUPPLIED TO SAID CAPACITOR MEANS IS INVERSELY RELATED TO THE CAPACITANCE OF SAID CAPACITOR MEANS TO PROVIDE SUBSTANTIALLY CONSTANT ENERGY STORAGE IN SAID CAPACITOR MEANS FOR DIFFERENT VALUES OF SUPPLIED VOLTAGE, AND MEANS FOR DISCHARGING SAID CAPACITOR MEANS ACROSS A MATERIAL TO BE TESTED FOR HOLIDAYS.
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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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |