Patent US3970007A successfully refreshed from Google Patents.
US3970007A
Expired / Lapsed
US
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Salvage switch
Assignee: United States Department of the Air Force
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Filing: 1971-01-20
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Granted: 1976-07-20
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Expires: 1991-01-20
Abstract
Abstract A salvage switch having a case which has therein a cartridge for containing a gas, an actuator and a spring for holding the cartridge in an inoperative position. Located beneath the case is a container having a hollow pin and containing a hydride. Upon actuation of the actuator the cartridge is forced forward against the force of the spring into an operative position wherein the hollow pin penetrates the cartridge.
Inventors
- 👤 Joseph R. Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:22
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/32; G; G21; G21D; G21D3/00; G21D3/04; G21D3/06; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
92 words
A salvage switch comprising a hollow protective case, said case containing therein a cartridge, an actuator operably associated with said cartridge and a biasing means for holding said cartridge in an inoperative position, a container having a piercing means operably attached thereto being mounted on the underside of said case, and said piercing means protruding into said case and being capable of penetrating said cartridge, whereby actuation of said actuator drives said cartridge against the force of said biasing means and into an operative position wherein said piercing means penetrates said cartridge.
Claim 2
Dependent Claim
92 words
A salvage switch comprising a hollow protective case, said case containing therein a cartridge, an actuator operably associated with said cartridge and a biasing means for holding said cartridge in an inoperative position, a container having a piercing means operably attached thereto being mounted on the underside of said case, and said piercing means protruding into said case and being capable of penetrating said cartridge, whereby actuation of said actuator drives said cartridge against the force of said biasing means and into an operative position wherein said piercing means penetrates said cartridge.
Claim 3
Dependent Claim
20 words
A salvage switch as defined in claim 1 wherein said cartridge contains a gas and said container contains a hydride.
Claim 4
Dependent Claim
14 words
A salvage switch as defined in claim 2 wherein said hydride is uranium hydride.
Claim 5
Dependent Claim
14 words
A salvage switch as defined in claim 3 wherein said hydride is uranium hydride.
Claim 6
Dependent Claim
16 words
A salvage switch as defined in claim 1 wherein said container is of a frangible material.
Claim 7
Dependent Claim
16 words
A salvage switch as defined in claim 5 wherein said piercing means is a hollow pin.
Claim 8
Dependent Claim
20 words
A salvage switch as defined in claim 6 wherein said cartridge contains a gas and said container contains a hydride.
Claim 9
Dependent Claim
15 words
A salvage switch as defined in claim 6 wherein said biasing means is a spring.
Claim 10
Dependent Claim
18 words
A salvage switch as defined in claim 8 wherein a pair of wires are connected to said container.
Claim 11
Dependent Claim
20 words
A salvage switch as defined in claim 9 wherein said cartridge contains a gas and said container contains a hydride.
References Cited (Backward Citations)
US2110552A
Cited
US2900908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |