US3019732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical primers
Assignee: Brevets Aero Mecaniques SA
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Filing: 1958-10-21
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Granted: 1962-02-06
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Expires: 1978-10-21
Abstract
No abstract record available.
Inventors
- 👤 Kaspaul Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:24
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/12; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN ELECTRIC PRIMER ADAPTED TO BE FIRED BY A FLOW OF ELECTRICAL CURRENT FROM A SOURCE OF ELECTRICAL VOLTAGE WHICH COMPRISES IN COMBINATION, A SENSITIVE PRIMARY CHARGE ADAPTED TO BE EXPLODED BY AN ELECTRICAL DISCHARGE OF PREDETERMINED HIGH POTENTIAL, TWO ELECTRODES DISPOSED ADJACENT TO SAID SENSITIVE CHARGE, BOTH ELECTRODES ADAPTED TO BE CONNECTED WITH A SOURCE OF ELECTRIAL ENERGY, A SEMICONDUCTIVE MATERIAL, SAID MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF SE, GE, V2O5, SIO, SI, SIO2, SIO-SIO2, CAO-SIO2, CEO2, CDS, CDSE, SB2S3, AL-SB, GA-SB, UO2, CDS-CDO, CDSE-CDO, SAID SEMI-CONDUCTIVE MATERIAL ABUTTING SAID SENSITIVE CHARGE AND ELECTRICALLY COUPLED WITH SAID ELECTRODES TO COMPLETE A CIRCUIT BETWEEN THE TWO ELECTRODES TO ALLOW AN ELECTRIC CHARGE OF SAID PREDETERMINED POTENTIAL TO PENETRATE THERETHROUGH AND IGNITE SAID SENSITIVE PRIMARY CHARGE AND TO DISSIPATE AN ELECTRIC CHARGE OF LESS THAN SAID PREDETERMINED POTENTIAL.
Claim 2
Dependent Claim
139 words
AN ELECTRIC PRIMER ADAPTED TO BE FIRED BY A FLOW OF ELECTRICAL CURRENT FROM A SOURCE OF ELECTRICAL VOLTAGE WHICH COMPRISES IN COMBINATION, A SENSITIVE PRIMARY CHARGE ADAPTED TO BE EXPLODED BY AN ELECTRICAL DISCHARGE OF PREDETERMINED HIGH POTENTIAL, TWO ELECTRODES DISPOSED ADJACENT TO SAID SENSITIVE CHARGE, BOTH ELECTRODES ADAPTED TO BE CONNECTED WITH A SOURCE OF ELECTRIAL ENERGY, A SEMICONDUCTIVE MATERIAL, SAID MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF SE, GE, V2O5, SIO, SI, SIO2, SIO-SIO2, CAO-SIO2, CEO2, CDS, CDSE, SB2S3, AL-SB, GA-SB, UO2, CDS-CDO, CDSE-CDO, SAID SEMI-CONDUCTIVE MATERIAL ABUTTING SAID SENSITIVE CHARGE AND ELECTRICALLY COUPLED WITH SAID ELECTRODES TO COMPLETE A CIRCUIT BETWEEN THE TWO ELECTRODES TO ALLOW AN ELECTRIC CHARGE OF SAID PREDETERMINED POTENTIAL TO PENETRATE THERETHROUGH AND IGNITE SAID SENSITIVE PRIMARY CHARGE AND TO DISSIPATE AN ELECTRIC CHARGE OF LESS THAN SAID PREDETERMINED POTENTIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |