US3271903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maintaining the resistivity of insulating members in energized electric equipment
Assignee: Individual
•
Filing: 1965-04-06
•
Granted: 1966-09-13
•
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 23:16
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
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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) | 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 |