US3792409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic hand gun cable
Assignee: Ransburg Corp
•
Filing: 1973-04-02
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Granted: 1974-02-12
•
Expires: 1993-04-02
Abstract
Abstract An improved high voltage cable for usein electrostatic hand guns and includes a semiconductive stranded fiber glass core within a semiconductive shield surrounded by body of insulative material, a flexible conductive sheath in an outer protective covering; the semiconductive core and semiconductive shield provide resistance of not less than 20,000 and not more than 300,000 ohms per foot of cable length.
Inventors
- 👤 W Smart
- 👤 P Gregg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:59
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/0054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
An electrical cable used to connect an electrostatic spray gun to a separate high voltage source, said cable having a stranded fiber glass core within a semiconductive shield surrounded by a body of insulative material, a flexible conductive sheath in an outer protective covering; the improvement which consists of the core and the shield together having a resistance of not less than 20,000 and not more than 300,000 ohms per foot of cable length the improvement which consists of the core being semiconductive and with semiconductive shield providing a resistance of not less than 20,000 and not more than 300,000 ohms per foot of cable length.
Claim 2
Dependent Claim
106 words
An electrical cable used to connect an electrostatic spray gun to a separate high voltage source, said cable having a stranded fiber glass core within a semiconductive shield surrounded by a body of insulative material, a flexible conductive sheath in an outer protective covering; the improvement which consists of the core and the shield together having a resistance of not less than 20,000 and not more than 300,000 ohms per foot of cable length the improvement which consists of the core being semiconductive and with semiconductive shield providing a resistance of not less than 20,000 and not more than 300,000 ohms per foot of cable length.
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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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |