Patent US2574528A successfully refreshed from Google Patents.
US2574528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically neutral organic liquid compositions
Assignee: Gage Products Co
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Filing: 1947-03-06
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Granted: 1951-11-13
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Expires: 1967-03-06
Abstract
No abstract record available.
Inventors
- 👤 George E F Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:26
CPC Classifications
H; H05; H05F; H05F1/00; H05F1/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
56 words
AN ELECTRICALLY-NEUTRAL LIQUID SOLUTION COMPRISING APPROXIMATELY TEN PARTS BY VOLUME OF A NONPOLAR ORGANIC LIQUID WHICH WHEN SUBSTANTIALLY PURE HAS THE PROPERTY OF GENERATING STATIC ELECTRICITY AT AN INTERFACE WITH A SOLID WITH WHICH IT IS IN MOBILE CONTACT, AND FROM ONE AND ONE-HALF TO TEN PARTS BY VOLUME OF HEXYLENE GLYCOL OF THE FORMULA (CH3)2.COH.CH2.CH(OH).CH3.
Claim 2
Dependent Claim
56 words
AN ELECTRICALLY-NEUTRAL LIQUID SOLUTION COMPRISING APPROXIMATELY TEN PARTS BY VOLUME OF A NONPOLAR ORGANIC LIQUID WHICH WHEN SUBSTANTIALLY PURE HAS THE PROPERTY OF GENERATING STATIC ELECTRICITY AT AN INTERFACE WITH A SOLID WITH WHICH IT IS IN MOBILE CONTACT, AND FROM ONE AND ONE-HALF TO TEN PARTS BY VOLUME OF HEXYLENE GLYCOL OF THE FORMULA (CH3)2.COH.CH2.CH(OH).CH3.
Claim 3
Dependent Claim
88 words
IN A SYSTEM WHEREIN A NON-POLAR ORGANIC LIQUID SELECTED FROM THE CLASS CONSISTING OF NAPHTHA, TOLUENE, BENZENE, MINERAL SPIRITS, AND CARBON TETRACHLORIDE IS IN A CONTAINER AND IS IN MOBILE CONTACT WITH A SOLID SURFACE AND WHEREIN STATIC ELECTRICITY IS PRODUCED BY SUCH CONTACT WHEN THE NON-POLAR LIQUID IS SUBSTANTIALLY PURE, THE IMPROVEMENT IN THE SYSTEM WHICH COMPRISES ESSENTIALLY A HEXYLENE GLYCOL DISSOLVED IN SAID NONPOLAR LIQUID IN THE PROPORTION OF ONE AND ONE-HALF TO TEN PARTS OF SAID GLYCOL TO EACH TEN PARTS OF SAID NON-POLAR LIQUID.
Claim 4
Dependent Claim
88 words
IN A SYSTEM WHEREIN A NON-POLAR ORGANIC LIQUID SELECTED FROM THE CLASS CONSISTING OF NAPHTHA, TOLUENE, BENZENE, MINERAL SPIRITS, AND CARBON TETRACHLORIDE IS IN A CONTAINER AND IS IN MOBILE CONTACT WITH A SOLID SURFACE AND WHEREIN STATIC ELECTRICITY IS PRODUCED BY SUCH CONTACT WHEN THE NON-POLAR LIQUID IS SUBSTANTIALLY PURE, THE IMPROVEMENT IN THE SYSTEM WHICH COMPRISES ESSENTIALLY A HEXYLENE GLYCOL DISSOLVED IN SAID NONPOLAR LIQUID IN THE PROPORTION OF ONE AND ONE-HALF TO TEN PARTS OF SAID GLYCOL TO EACH TEN PARTS OF SAID NON-POLAR LIQUID.
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) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |