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US3271903A
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Maintaining the resistivity of insulating members in energized electric equipment
Assignee: Individual
•
Filing: 1965-04-06
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Granted: 1966-09-13
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Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 William C Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:25
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1431; B05B13/00; B05B13/02; B05B7/24; B05B7/26; B05B7/28; B05B7/32; H; H02; H02G; H02G1/00; H02G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
APPARATUS FOR CLEANING AND SPRAYING FLUIDS IN ORDER TO MAINTAIN THE RESISTIVITY OF OUTDOOR INSULATORS COMPRISING A SOURCE OF COMPRESSED AIR, MEANS FOR REMOVING SUFFICIENT WATER FROM SAID COMPRESSED AIT TO DEHYDRATE THE AIR SO AS TO MAKE IT SUBSTANTIALLY ELECTRICALLY NON-CONDUCTIVE, MEANS FOR ADDING METERED QUANTITIES OF PROVIDED ABRASIVE CLEANING MATERIAL TO SAID DEHYDRATED COMPRESSED AIR, MEANS FOR DIVERTING A PORTION OF SAID DEHYDRATED COMPRESSED AIR SO AS TO ADD COATING FLUID TO SAID MIXTURE OF ABRASIVE CLEANING MATERIAL AND DEHYDRATED COMPRESSED AIR, MEANS FOR SPRAYING SAID MIXTURE OF FLUID, ABRASIVE
Claim 2
Dependent Claim
92 words
APPARATUS FOR CLEANING AND SPRAYING FLUIDS IN ORDER TO MAINTAIN THE RESISTIVITY OF OUTDOOR INSULATORS COMPRISING A SOURCE OF COMPRESSED AIR, MEANS FOR REMOVING SUFFICIENT WATER FROM SAID COMPRESSED AIT TO DEHYDRATE THE AIR SO AS TO MAKE IT SUBSTANTIALLY ELECTRICALLY NON-CONDUCTIVE, MEANS FOR ADDING METERED QUANTITIES OF PROVIDED ABRASIVE CLEANING MATERIAL TO SAID DEHYDRATED COMPRESSED AIR, MEANS FOR DIVERTING A PORTION OF SAID DEHYDRATED COMPRESSED AIR SO AS TO ADD COATING FLUID TO SAID MIXTURE OF ABRASIVE CLEANING MATERIAL AND DEHYDRATED COMPRESSED AIR, MEANS FOR SPRAYING SAID MIXTURE OF FLUID, ABRASIVE
References Cited (Backward Citations)
US1751343A
Cited
US1995150A
Cited
US2253019A
Cited
US2527093A
Cited
US2631891A
Cited
US2773472A
Cited
US2766157A
Cited
US2809940A
Cited
US2754228A
Cited
US2729917A
Cited
US2784350A
Cited
US2926106A
Cited
US3003177A
Cited
US3037778A
Cited
US3013699A
Cited
US3037703A
Cited
US3039657A
Cited
US3018056A
Cited
US3139704A
Cited
US3149438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |