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US3107614A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermit reaction underwater flare

Assignee: Individual
•
Filing: 1959-06-02
•
Granted: 1963-10-22
•
Expires: 1979-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Edward W Rolle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:28
CPC Classifications
F; F42; F42B; F42B4/00; F42B4/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 79 words
AN UNDERWATER FLARE COMPRISING A FLARE COMPOUND COMPRESSED INTO A SOLID BODY, AN IGNITION CHAMBER, THE UPPER END OF SAID BODY BEING INSERTED IN SAID IGNITION CHAMBER, A PROTECTIVE COATING COVERING THE SIDES AND BOTTOM OF SAID BODY, SAID PROTECTIVE COATING COMPRISING A POLYETHLENE GLYCOL COMPOUND IMPREGNATED WITH MAGNESIUM AMALGAM AND ADAPTGED TO PROTECT THE UNBURNED PORTION OF SAID FLARE THROUGHOUT THE PERIOD OF COMBUSTION, AND MEANS LOCATGED IN SAID CHAMBER FOR IGNITING THE UPPER END OF SAID BODY.
Claim 2
Dependent Claim 79 words
AN UNDERWATER FLARE COMPRISING A FLARE COMPOUND COMPRESSED INTO A SOLID BODY, AN IGNITION CHAMBER, THE UPPER END OF SAID BODY BEING INSERTED IN SAID IGNITION CHAMBER, A PROTECTIVE COATING COVERING THE SIDES AND BOTTOM OF SAID BODY, SAID PROTECTIVE COATING COMPRISING A POLYETHLENE GLYCOL COMPOUND IMPREGNATED WITH MAGNESIUM AMALGAM AND ADAPTGED TO PROTECT THE UNBURNED PORTION OF SAID FLARE THROUGHOUT THE PERIOD OF COMBUSTION, AND MEANS LOCATGED IN SAID CHAMBER FOR IGNITING THE UPPER END OF SAID BODY.

References Cited (Backward Citations)

US1562137A Cited
GB540538A Cited
GB588671A Cited
US2775939A Cited
US2939396A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-21 1967-04-22 1967-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-21 1971-04-22 1971-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-21 1975-04-22 1975-10-22 $7700.00 Window Closed / Lapsed

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