US3612853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashlight device
Assignee: Panasonic Holdings Corp
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Filing: 1968-12-30
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Granted: 1971-10-12
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Expires: 1988-12-30
Abstract
Abstract A flashlight device particularly advantageous in using for emergency purposes. The device comprises a combination of a flashlight body including a normally closed electric circuit for lighting a bulb therein, and a flashlight hanger member to be installed at a fixed position and including a means for blocking said electric closed circuit only when the flashlight body is hung or mounted to the hanger member.
Inventors
- 👤 Sakaki Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:17
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/007; F21L; F21L4/00; F21L4/005; F21V21/00; F21V21/08; F21V21/0808; F21V23/00; F21V23/04; F21V23/0414
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
115 words
A flashlight device comprising a flashlight body including a case, a lens, a miniature bulb, a reflecting mirror, cells for supplying an electric current to said bulb and a resilient member for forming an electric closed circuit between said bulb and said cells by biasing said cells into contact with said bulb, said case being provided with an aperture at a point on its side surface corresponding to a junction between two elements of the circuit, and a flashlight hanger member having a blocking member adapted to be inserted into the case through said aperture and to separate said two elements whereby said closed circuit is opened while said hanger member engages the flashlight body.
Claim 2
Dependent Claim
115 words
A flashlight device comprising a flashlight body including a case, a lens, a miniature bulb, a reflecting mirror, cells for supplying an electric current to said bulb and a resilient member for forming an electric closed circuit between said bulb and said cells by biasing said cells into contact with said bulb, said case being provided with an aperture at a point on its side surface corresponding to a junction between two elements of the circuit, and a flashlight hanger member having a blocking member adapted to be inserted into the case through said aperture and to separate said two elements whereby said closed circuit is opened while said hanger member engages the flashlight body.
Claim 3
Dependent Claim
24 words
The flashlight device defined in claim 1 wherein said hanger member includes an electrically insulated blocking projection which projection is insertable into said aperture.
Claim 4
Dependent Claim
51 words
The flashlight defined in claim 1 wherein said aperture is disposed at a corresponding position along the case of the flashlight body corresponding to the contact point of one of said cells with said bulb, and said hanger member being provided with an electrically insulating blocking member insertable into said aperture.
Claim 5
Dependent Claim
46 words
The flashlight device defined in claim 2, wherein a plurality of individual cells are disposed in series connection with each other and wherein said aperture is located at a position on the flashlight casing corresponding to the contacting part of one cell with an adjacent cell.
Claim 6
Dependent Claim
24 words
The flashlight device according to claim 1, wherein said flashlight hanger member is provided with a holding member for embracingly gripping the flashlight body.
Claim 7
Dependent Claim
30 words
The flashlight device according to claim 1 wherein said flashlight hanger member is provided at its rear surface with an adhesive layer, said layer being covered with a protecting film.
Claim 8
Dependent Claim
31 words
The flashlight device according to claim 1 wherein said blocking member is provided at its free end with a cutout for free engagement with a contacting projection of the cell means.
Claim 9
Dependent Claim
31 words
The flashlight device according to claim 2 wherein said blocking member is provided at its free end with a cutout for free engagement with a contacting projection of the cell means.
Claim 10
Dependent Claim
24 words
The flashlight device according to claim 7 wherein said cutout is substantially closed at the portion adjacent to the tip of said blocking member.
Claim 11
Dependent Claim
24 words
The flashlight device according to claim 8 wherein said cutout is substantially closed at the portion adjacent to the tip of said blocking member.
Claim 12
Dependent Claim
34 words
The flashlight device according to claim 1 wherein said flashlight body is provided with a cylindrical cover ring having an aperture said ring being mounted slidably around said aperture hole of the flashlight body.
Claim 13
Dependent Claim
34 words
The flashlight Device according to claim 2 wherein said flashlight body is provided with a cylindrical cover ring having an aperture said ring being mounted slidably around said aperture hole of the flashlight body.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2937266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |