Patent US3253080A successfully refreshed from Google Patents.
US3914955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage cable splicing trailer
Assignee: Individual
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Filing: 1975-01-20
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Granted: 1975-10-28
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Expires: 1995-01-20
Abstract
Abstract A mobile trailer structure designed, constructed and equipped to provide a completely self-contained facility for the environmental control necessary in the splicing and servicing of high voltage underground cable installations.
Inventors
- 👤 Orville K Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:02
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/04; B; B60; B60P; B60P3/00; B60P3/14; H; H02; H02G; H02G9/00; H02G9/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
124 words
A self contained trailer for providing environmental control for underground electrical installations comprising: a trailer having at least a pair of separate compartments, two of said compartments having openings for communicating each with a different spaced manhole opeNing of the underground installations, one of said compartments housing air conditioning means, and coupling means one for each of the manhole openings for interconnecting in air tight arrangement each of said openings in said compartments with a different one of the spaced manhole openings, said airconditioning means withdrawing air from the underground installation through one of the manhole openings, airconditioning it in said one of said compartments and returning the air to the underground installation through the other manhole opening in a recirculating and continuous manner.
Claim 2
Dependent Claim
124 words
A self contained trailer for providing environmental control for underground electrical installations comprising: a trailer having at least a pair of separate compartments, two of said compartments having openings for communicating each with a different spaced manhole opeNing of the underground installations, one of said compartments housing air conditioning means, and coupling means one for each of the manhole openings for interconnecting in air tight arrangement each of said openings in said compartments with a different one of the spaced manhole openings, said airconditioning means withdrawing air from the underground installation through one of the manhole openings, airconditioning it in said one of said compartments and returning the air to the underground installation through the other manhole opening in a recirculating and continuous manner.
Claim 3
Dependent Claim
64 words
The self contained trailer set forth in claim 1 wherein: said airconditioning means withdraws air from the underground installation through one of the manhole openings, into the atmosphere of one of the compartments, said means comprising airconditioning and dehumidifying means, and duct means for interconnecting the atmosphere of said one of said compartments with said airconditioning and dehumidifying means and said other manhole opening.
Claim 4
Dependent Claim
32 words
The self contained trailer set forth in claim 2 wherein: said duct means further comprises a duct for connecting airconditioned and dehumidified air into the atmosphere of said one of said compartments.
Claim 5
Dependent Claim
48 words
The self contained trailer set forth in claim 1 wherein: said trailer comprises three separate compartments, one of said compartments housing electrical generating means, a second one of said compartments housing airconditioning means, and the third compartment comprising a work area directly above one of said manhole openings.
Claim 6
Dependent Claim
157 words
A self contained trailer for providing environmental control for underground electrical installations comprising: a trailer having three separate compartments, first and second compartments having openings for communicating each with a different spaced manhole opening of an underground installation, coupling means one for each of said openings for interconnecting in air tight arrangement each of the openings of said first and second compartments with a different one of the spaced manhole openings, one of said compartments housing airconditioning means, another of said compartments housing electrical generating means, and a further one of said compartments providing an airconditioned work area, said airconditioning means withdrawing air from the underground installation through one of the manhole openings, airconditioning it in said one of said compartments and returning the air to the underground installation through the other manhole opening in a recirculating and continuous manner, and duct for interconnecting the atmosphere of said further one of said compartments with said airconditioning means.
Claim 7
Dependent Claim
157 words
A self contained trailer for providing environmental control for underground electrical installations comprising: a trailer having three separate compartments, first and second compartments having openings for communicating each with a different spaced manhole opening of an underground installation, coupling means one for each of said openings for interconnecting in air tight arrangement each of the openings of said first and second compartments with a different one of the spaced manhole openings, one of said compartments housing airconditioning means, another of said compartments housing electrical generating means, and a further one of said compartments providing an airconditioned work area, said airconditioning means withdrawing air from the underground installation through one of the manhole openings, airconditioning it in said one of said compartments and returning the air to the underground installation through the other manhole opening in a recirculating and continuous manner, and duct for interconnecting the atmosphere of said further one of said compartments with said airconditioning means.
Claim 8
Dependent Claim
65 words
The self contained trailer set forth in claim 5 wherein: said airconditioning means withdraws air from the underground installation through one of the manhole openings into the atmosphere of said further one of said compartments and wherein said airconditioning means comprises a dehumidifying means, duct means for interconnecting the atmosphere of said one of said compartments with said airconditioning means and said other manhole opening.
Claim 9
Dependent Claim
17 words
The self contained trailer set forth in claim 6 wherein: said airconditioning means comprises a blower means.
References Cited (Backward Citations)
US2439487A
Cited
US2791401A
Cited
US3320765A
Cited
US3672445A
Cited
US3799244A
Cited
US3859816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |