Patent US1824685A successfully refreshed from Google Patents.
Patent US2603972A successfully refreshed from Google Patents.
US4010362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire shield device
Assignee: General Electric Co
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Filing: 1975-12-04
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Granted: 1977-03-01
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Expires: 1995-12-04
Abstract
Abstract Shield device for outdoor luminaires to prevent entry of birds into the interior. The device comprises a generally U-shaped stiff plastic sheet which is permanently attached to the luminaire mounting device and substantially covers an opening at the rear of the luminaire adjacent its pipe support. The shield device is moved into operative position by closing the hinged bottom door of the luminaire.
Inventors
- 👤 Thomas A. Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:50
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21V; F21V15/00; F21V15/01
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
162 words
A luminaire comprising, in combination, a housing having an open end defining an axis and adapted to freely receive along said axis an elongated support member on which the luminaire is to be mounted, bearing means on said housing for engaging the top of the elongated support member, a movable clamp in said housing extending transverse said axis for engaging the bottom of the elongated support member, a pair of adjusting bolts on said housing respectively adjustably engaging said movable clamp on opposite sides of said axis, and a shield member comprising a generally U-shaped bendable sheet arranged in said housing for substantially covering the opening between said housing and the elongated support member, said sheet formed with a main sheild portion and a pair of apertured legs extending therefrom, said sheet arranged in said housing with its main shield portion extending below and transverse said axis and its legs respectively inserted on said pair of adjusting bolts above said movable clamp.
Claim 2
Dependent Claim
162 words
A luminaire comprising, in combination, a housing having an open end defining an axis and adapted to freely receive along said axis an elongated support member on which the luminaire is to be mounted, bearing means on said housing for engaging the top of the elongated support member, a movable clamp in said housing extending transverse said axis for engaging the bottom of the elongated support member, a pair of adjusting bolts on said housing respectively adjustably engaging said movable clamp on opposite sides of said axis, and a shield member comprising a generally U-shaped bendable sheet arranged in said housing for substantially covering the opening between said housing and the elongated support member, said sheet formed with a main sheild portion and a pair of apertured legs extending therefrom, said sheet arranged in said housing with its main shield portion extending below and transverse said axis and its legs respectively inserted on said pair of adjusting bolts above said movable clamp.
Claim 3
Dependent Claim
57 words
A luminaire as defined in claim 1, said housing having a bottom opening, said bottom opening closed by a bottom door hingedly connected to said housing, said shield member having a bottom edge resting on said bottom door and being movable into bended operative position by said bottom door when the latter is moved to closed position.
Claim 4
Dependent Claim
37 words
A luminaire as defined in claim 2, said housing formed with a pair of depending bosses to which said adjusting bolts respectively pass, said apertured legs of said shield member abutting said bosses in said operative position.
Claim 5
Dependent Claim
17 words
A luminaire as defined in claim 3, said shield member comprising a sheet of stiff plastic material.
Claim 6
Dependent Claim
32 words
A luminaire as defined in claim 3, said bottom door having opposite side walls defining the width thereof, said main shield portion extending across substantially the entire width of said bottom door.
Claim 7
Dependent Claim
28 words
A luminaire as defined in claim 2, said open end being at the rear of said housing, said shield member in operative position being curved rearwardly and downwardly.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-29 | 1980-08-30 | 1981-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-29 | 1984-08-30 | 1985-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-29 | 1988-08-30 | 1989-03-01 | $7700.00 | Window Closed / Lapsed |