Patent US4045093A successfully refreshed from Google Patents.
Patent US3143069A successfully refreshed from Google Patents.
US3143069A
Expired / Lapsed
US
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Exploding tape
Assignee: Electronic Res and Dev Corp
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Filing: 1960-05-18
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Granted: 1964-08-04
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Expires: 1980-05-18
Abstract
No abstract record available.
Inventors
- 👤 Ostrow Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:56
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE COMBINATION OF A COMBUSTION-SUPPORTED GASFILLED CHAMBER, A FLEXIBLE METALLIC FOIL TAPE DISPOSED IN SAID CHAMBER, AND MEANS FOR PASSING ELECTRICAL CURRENT THROUGH SAID FOIL TO INTITIATE COMBUSTION THEREOF, SAID TAPE COMPRISING A THIN STRIP OF ALUMINUM FOIL HAVING SUBSTANTIAL WIDTH AND RELATIVELY CONTINUOUS RUNNING LENGTH, A PLURALITY OF EQUALLY SIZED NOTCHES DISPOSED AT EQUAL IGNITION POINT INTERVALS ALONG THE LENGTH OF SAID TAPE, EACH OF SAID NOTCHES EXTENDING INWARD FROM ONE AND THE SAME EDGE OF THE FOIL AND REDUCING ITS WIDTH TO A NARROW BRIDGING PORTION CONNECTING THE UNNOTCHED PORTIONS OF THE FOIL, THE BRIDGING PORTIONS EACH BEING OF A SIZE TO BE HEATED AND BURNED SIMULTANEOUSLY BY PASSAGE OF ELECTRICAL CURRENT ALONG THE LENGTH OF THE TAPE.
Claim 2
Dependent Claim
120 words
THE COMBINATION OF A COMBUSTION-SUPPORTED GASFILLED CHAMBER, A FLEXIBLE METALLIC FOIL TAPE DISPOSED IN SAID CHAMBER, AND MEANS FOR PASSING ELECTRICAL CURRENT THROUGH SAID FOIL TO INTITIATE COMBUSTION THEREOF, SAID TAPE COMPRISING A THIN STRIP OF ALUMINUM FOIL HAVING SUBSTANTIAL WIDTH AND RELATIVELY CONTINUOUS RUNNING LENGTH, A PLURALITY OF EQUALLY SIZED NOTCHES DISPOSED AT EQUAL IGNITION POINT INTERVALS ALONG THE LENGTH OF SAID TAPE, EACH OF SAID NOTCHES EXTENDING INWARD FROM ONE AND THE SAME EDGE OF THE FOIL AND REDUCING ITS WIDTH TO A NARROW BRIDGING PORTION CONNECTING THE UNNOTCHED PORTIONS OF THE FOIL, THE BRIDGING PORTIONS EACH BEING OF A SIZE TO BE HEATED AND BURNED SIMULTANEOUSLY BY PASSAGE OF ELECTRICAL CURRENT ALONG THE LENGTH OF THE TAPE.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |