US3409804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ordnance control circuit
Assignee: Hi Shear Corp
•
Filing: 1966-08-25
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Granted: 1968-11-05
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Weldon S Bankston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:34
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/04; F42D1/045; F42D1/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CIRCUIT FOR EXPLODING A BRIDGEWIRE, SAID BRIDGEWIRE FORMING A PORTION OF A SAFETIED ORDNANCE DEVICE CAPABLE OF BEING SWITCHED TO A FIRST IMPEDANCE BY APPLICATION OF A PREDETERMINED CURRENT AND TO A SECOND IMPEDANCE BY APPLICATION OF A PREDETERMINED VOLTAGE, SAID SECOND IMPEDANE BEING SUBSTANTIALLY LESS THAN SAID FIRST IMPEDANCE, SAID CIRCUIT COMPRISING: A D.C. SOURCE; TERMINAL MEANS ADAPTED TO BE CONNECTED TO SAID BRIDGEWIRE; CONVERTER MEANS CONNECTED TO SAID SOURCE FOR SUPPLYING A D.C. VOLTAGE HAVING A VALUE CAPABLE OF EXPLODING SAID BRIDGEWIRE; FIRING MEANS CONNECTED TO SAID CONVERTER MEANS FOR SUPPLYING SAID D.C. VOLTAGE TO SAID TERMINAL MEANS AT A PREDETERMINED TIME; AND FIRST CONDITIONING MEANS CONNECTED TO SAID FIRING MEANS FOR APPLYING SAID PREDETERMINED VOLTAGE TO SAID ORDNANCE DEVICE TO SWITCH SAID ORDNANCE DEVICE TO ITS SECOND IMPEDANCE.
Claim 2
Dependent Claim
132 words
A CIRCUIT FOR EXPLODING A BRIDGEWIRE, SAID BRIDGEWIRE FORMING A PORTION OF A SAFETIED ORDNANCE DEVICE CAPABLE OF BEING SWITCHED TO A FIRST IMPEDANCE BY APPLICATION OF A PREDETERMINED CURRENT AND TO A SECOND IMPEDANCE BY APPLICATION OF A PREDETERMINED VOLTAGE, SAID SECOND IMPEDANE BEING SUBSTANTIALLY LESS THAN SAID FIRST IMPEDANCE, SAID CIRCUIT COMPRISING: A D.C. SOURCE; TERMINAL MEANS ADAPTED TO BE CONNECTED TO SAID BRIDGEWIRE; CONVERTER MEANS CONNECTED TO SAID SOURCE FOR SUPPLYING A D.C. VOLTAGE HAVING A VALUE CAPABLE OF EXPLODING SAID BRIDGEWIRE; FIRING MEANS CONNECTED TO SAID CONVERTER MEANS FOR SUPPLYING SAID D.C. VOLTAGE TO SAID TERMINAL MEANS AT A PREDETERMINED TIME; AND FIRST CONDITIONING MEANS CONNECTED TO SAID FIRING MEANS FOR APPLYING SAID PREDETERMINED VOLTAGE TO SAID ORDNANCE DEVICE TO SWITCH SAID ORDNANCE DEVICE TO ITS SECOND IMPEDANCE.
References Cited (Backward Citations)
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Cited
US3225695A
Cited
US3166689A
Cited
US3312869A
Cited
US3311788A
Cited
US3344744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |