US3333538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric initiator structure
Assignee: Hercules LLC
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Filing: 1966-06-09
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Granted: 1967-08-01
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Expires: 1986-06-09
Abstract
No abstract record available.
Inventors
- 👤 Robert W Schnettler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:03
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/103; F42B3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
396 words
AN ELECTRIC INITIATOR ASSEMBLY WHICH COMPRISES A SHELL HAVING ELECTRICALLY CONDUCTIVE WALLS; A DIELECTRIC PLUG WITHIN, AND EXTENDING ACROSS, SAID SHELL TO CLOSE SAME; A DIELECTRIC SHEET DISPOSED ON, AND COVERING, AT LEAST A CENTRAL PORTION OF A SURFACE OF SAID PLUG TRANSVERSE TO THE INTERIOR OF SAID SHELL AND EXTENDING ENTIRELY ACROSS SAID PLUG TO THE SHELL INNER WALL; A PAIR OF ELECTRIC CONDUCTOR WIRES EXTENDING INTO SAID SHELL FIRST THROUGH SAID DIELECTRIC SHEET AND THEN THROUGH SAID PLUG AND BARED AT LEAST ALONG THEIR LENGTHS INTERMEDIATE SAID SHEET AND SAID PLUG, AND TERMINATING WITHIN SAID SHELL; A RESISTANCE WIRE WITHIN SAID SHELL CONNECTING THE TERMINAL ENDS OF SAID CONDUCTOR WIRES THEREIN; A PLURALITY OF ELECTRICALLY CONDUCTIVE BODIES UNIFORMLY DISPOSED ON THE SURFACE OF SAID DIELECTRIC SHEET FACING SAID PLUG; ALL OF SAID CONDUCTIVE BODIES BEING EQUILATERAL HEXAGONS OF SUBSTANTIALLY THE SAME SIZE, EXCEPT FOR SUCH EQUILATERAL HEXAGONS INTERCEPTED AS DESCRIBED HEREINAFTER, AND DISPOSED IN A PATTERN OF SEPARATE SETS OF PARALLEL ROWS; ALL ADJACENT HEXAGONS IN EACH ROW BEING EQUALLY SPACED APART FROM EACH OTHER, AND FROM ADJACENT HEXAGONS IN EACH ADJACENT ROW, SUCH THAT THE DIRECTLY OPPOSING SIDES OF ALL ADJACENT HEXAGONS IN SAID PATTERN ARE PARALLEL, AND EQUALLY SPACED FROM EACH OTHER, WHEREBY ALL HEXAGONS OF SAID PATTERN ARE SEPARATED BY GAPS OF SUBSTANTIALLY THE SAME WIDTH; ANY SAID CONDUCTIVE BODY AT THE END OF A ROW OF SAID BODIES AND INTERCEPTED BY SAID INNER SHELL WALL HAVING ITS SHAPE CONCOMITANTLY ALTERED, AND BEING IN ELECTRICAL CONDUCTIVE CONTACT WITH THE SAID WALL ALONG THE ENTIRE RESULTING LINE OF INTERCEPTION; THE SHORTEST DISTANCE FROM EACH OF SAID ELECTRICAL CONDUCTOR WIRES TO SAID SHELL WALL BEING ON THE LINE OF CENTERS OF SAID CONDUCTOR WIRES ALONG SAID DIELECTRIC SHEET AND EQUAL TO THE SUM OF THE SHORTEST DISTANCE BETWEEN PARALLEL SIDES OF ONE OF SAID EQUILATERAL HEXAGON CONDUCTIVE BODIES AND THE WIDTH OF ONE OF SAID GAPS, AND THE DISTANCE BETWEEN SAID CONDUCTOR WIRES BEING AT LEAST EQUAL TO SAID SUM; SAID PATTERN OF CONDUCTIVE BODIES BEING DISPOSED ON SAID DIELECTRIC SHEET SUCH THAT THE ROWS OF ONE OF SAID SEPARATE SETS OF PARALLEL ROWS ARE PARALLEL TO THE ABOVE-SAID LINE OF CENTERS OF SAID ELECTRICAL CONDUCTOR WIRES; AND AN IGNITION COMPOSITION WITHIN SAID SHELL CHARACTERIZED BY VOLTAGE BREAKDOWN GREATER THAN THAT BETWEEN EACH SAID LEAD WIRE AND SAID SHELL ALONG SAID DIELECRIC SHEET.
Claim 2
Dependent Claim
396 words
AN ELECTRIC INITIATOR ASSEMBLY WHICH COMPRISES A SHELL HAVING ELECTRICALLY CONDUCTIVE WALLS; A DIELECTRIC PLUG WITHIN, AND EXTENDING ACROSS, SAID SHELL TO CLOSE SAME; A DIELECTRIC SHEET DISPOSED ON, AND COVERING, AT LEAST A CENTRAL PORTION OF A SURFACE OF SAID PLUG TRANSVERSE TO THE INTERIOR OF SAID SHELL AND EXTENDING ENTIRELY ACROSS SAID PLUG TO THE SHELL INNER WALL; A PAIR OF ELECTRIC CONDUCTOR WIRES EXTENDING INTO SAID SHELL FIRST THROUGH SAID DIELECTRIC SHEET AND THEN THROUGH SAID PLUG AND BARED AT LEAST ALONG THEIR LENGTHS INTERMEDIATE SAID SHEET AND SAID PLUG, AND TERMINATING WITHIN SAID SHELL; A RESISTANCE WIRE WITHIN SAID SHELL CONNECTING THE TERMINAL ENDS OF SAID CONDUCTOR WIRES THEREIN; A PLURALITY OF ELECTRICALLY CONDUCTIVE BODIES UNIFORMLY DISPOSED ON THE SURFACE OF SAID DIELECTRIC SHEET FACING SAID PLUG; ALL OF SAID CONDUCTIVE BODIES BEING EQUILATERAL HEXAGONS OF SUBSTANTIALLY THE SAME SIZE, EXCEPT FOR SUCH EQUILATERAL HEXAGONS INTERCEPTED AS DESCRIBED HEREINAFTER, AND DISPOSED IN A PATTERN OF SEPARATE SETS OF PARALLEL ROWS; ALL ADJACENT HEXAGONS IN EACH ROW BEING EQUALLY SPACED APART FROM EACH OTHER, AND FROM ADJACENT HEXAGONS IN EACH ADJACENT ROW, SUCH THAT THE DIRECTLY OPPOSING SIDES OF ALL ADJACENT HEXAGONS IN SAID PATTERN ARE PARALLEL, AND EQUALLY SPACED FROM EACH OTHER, WHEREBY ALL HEXAGONS OF SAID PATTERN ARE SEPARATED BY GAPS OF SUBSTANTIALLY THE SAME WIDTH; ANY SAID CONDUCTIVE BODY AT THE END OF A ROW OF SAID BODIES AND INTERCEPTED BY SAID INNER SHELL WALL HAVING ITS SHAPE CONCOMITANTLY ALTERED, AND BEING IN ELECTRICAL CONDUCTIVE CONTACT WITH THE SAID WALL ALONG THE ENTIRE RESULTING LINE OF INTERCEPTION; THE SHORTEST DISTANCE FROM EACH OF SAID ELECTRICAL CONDUCTOR WIRES TO SAID SHELL WALL BEING ON THE LINE OF CENTERS OF SAID CONDUCTOR WIRES ALONG SAID DIELECTRIC SHEET AND EQUAL TO THE SUM OF THE SHORTEST DISTANCE BETWEEN PARALLEL SIDES OF ONE OF SAID EQUILATERAL HEXAGON CONDUCTIVE BODIES AND THE WIDTH OF ONE OF SAID GAPS, AND THE DISTANCE BETWEEN SAID CONDUCTOR WIRES BEING AT LEAST EQUAL TO SAID SUM; SAID PATTERN OF CONDUCTIVE BODIES BEING DISPOSED ON SAID DIELECTRIC SHEET SUCH THAT THE ROWS OF ONE OF SAID SEPARATE SETS OF PARALLEL ROWS ARE PARALLEL TO THE ABOVE-SAID LINE OF CENTERS OF SAID ELECTRICAL CONDUCTOR WIRES; AND AN IGNITION COMPOSITION WITHIN SAID SHELL CHARACTERIZED BY VOLTAGE BREAKDOWN GREATER THAN THAT BETWEEN EACH SAID LEAD WIRE AND SAID SHELL ALONG SAID DIELECRIC SHEET.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |