US3586753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary terminal conduit box for current transformers
Assignee: General Electric Co
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Filing: 1969-09-19
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Granted: 1971-06-22
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Expires: 1989-09-19
Abstract
Abstract A conduit box for mounting over the secondary terminals of a current transformer. An insulated retainer member is provided which fits over the secondary terminals and is secured thereto by use of E-rings, fitting in grooves in such secondary terminals. The conduit box has ledges on the inside walls which cooperate with notched portions of the retainer member to hold the conduit box securely in place over the secondary terminals.
Inventors
- 👤 John A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:31
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/16
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
74 words
An auxiliary conduit box for a current transformer comprising, in combination; a. An open bottom box member having a removable cover, 1. a pair of threaded hubs on said box, 2. a pair of ledges on the inside bottom edge of opposite walls of said box, B. A rectangular-shaped retainer member of electrically insulating material, 1. said retainer having a pair of openings adapted to fit over the secondary terminals of a current transformer,
Claim 2
Dependent Claim
74 words
An auxiliary conduit box for a current transformer comprising, in combination; a. An open bottom box member having a removable cover, 1. a pair of threaded hubs on said box, 2. a pair of ledges on the inside bottom edge of opposite walls of said box, B. A rectangular-shaped retainer member of electrically insulating material, 1. said retainer having a pair of openings adapted to fit over the secondary terminals of a current transformer,
Claim 3
Dependent Claim
40 words
A notched portion at each end of said retainer fitting onto said pair of ledges of said box, C. and spring clamping means connectable to the secondary terminals on said retainer and for clamping said retainer to the secondary terminals.
Claim 4
Dependent Claim
40 words
A notched portion at each end of said retainer fitting onto said pair of ledges of said box, C. and spring clamping means connectable to the secondary terminals on said retainer and for clamping said retainer to the secondary terminals.
Claim 5
Dependent Claim
24 words
a pair of ledges on the inside bottom edge of opposite walls of said box, B. A rectangular-shaped retainer member of electrically insulating material,
Claim 6
Dependent Claim
24 words
a pair of ledges on the inside bottom edge of opposite walls of said box, B. A rectangular-shaped retainer member of electrically insulating material,
Claim 7
Dependent Claim
40 words
A notched portion at each end of said retainer fitting onto said pair of ledges of said box, C. and spring clamping means connectable to the secondary terminals on said retainer and for clamping said retainer to the secondary terminals.
Claim 8
Dependent Claim
40 words
A notched portion at each end of said retainer fitting onto said pair of ledges of said box, C. and spring clamping means connectable to the secondary terminals on said retainer and for clamping said retainer to the secondary terminals.
Claim 9
Dependent Claim
41 words
An auxiliary conduit box as claimed in claim 1, in which said box has a pair of upstanding bosses on each of said pair of ledges and said retainer is of a width to fit between each said pair of bosses.
Claim 10
Dependent Claim
33 words
An auxiliary conduit box as claimed in claim 1, in which said retainer has a pair of channels on the surface thereof, each of said channels intersecting one of said pair of openings.
Claim 11
Dependent Claim
17 words
An auxiliary conduit box as claimed in claim 1 in which said spring clamping members are E-rings.
Claim 12
Dependent Claim
22 words
An auxiliary conduit box as claimed in claim 1 in which said pair of ledges are adjacent said pair of threaded hubs.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |