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US3320880A Expired / Lapsed US ⏱️ 0.0 years remaining

Antipersonnel mine

Assignee: Individual
•
Filing: 1964-11-25
•
Granted: 1967-05-23
•
Expires: 1984-11-25
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Carlson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:06
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/58; F42B12/60; F42B23/00; F42B23/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 245 words
IN AN ANTIPERSONNEL MINE HAVING A SUBSTANTIALLY CYLINDRICAL MAIN BODY, SAID BODY HAVING A PLURALITY OF EQUIANGULARLY SPACED RADIAL BORES AND AN AXIAL BORE THERETHROUGH, A HOUSING HAVING AN UPPER END AND A LOWER END IN SAID AXIAL BORE IN SLIDABLE RELATION WITH SAID MAIN BODY AND HAVING AN AXIAL BORE THEREIN, A PERIPHERAL CAM ON THE LOWER END OF SAID HOUSING, PRESSURE PRODUCING MEANS FIXED TO SAID MAIN BODY AND DISPOSED IN SAID HOUSING AXIAL BORE AT THE LOWER END THEREOF FOR PROVIDING A MOVING FORCE TO SAID HOUSING TO MOVE SAID HOUSING VERTICALLY UPWARDLY, A TRIGGERING MECHANISM DISPOSED IN SAID HOUSING AXIAL BORE ABOVE SAID PRESSURE PRODUCING MEANS AND AXIALLY ALIGNED THEREWITH, MEANS PROVIDING A DOWNWARDLY DIRECTED MOVING FORCE ON SAID TRIGGERING MECHANISM, MEANS HOLDING SAID TRIGGERING MECHANISM AT STATIONARY RELATION WITH SAID MAIN BODY, SAID HOLDING MEANS BEING ADAPTED TO RELEASE WHEN A PREDETERMINED FORCE IS APPLIED TO SAID TRIGGERING MECHANISM BOTH WHEN DIRECTED HORIZONTALLY THERETHROUGH AND WHEN DIRECTED VERTICALLY DOWNWARD THERETHROUGH, A PLURALITY OF SHOTGUN SHELLS INSERTED IN SAID MAIN BODY RADIAL BORES POSITIONED TO FIRE OUTWARDLY THEREFROM, PRIMER MEANS IN SAID MAIN BODY RADIAL BORES FOR FIRING SAID SHOTGUN SHELLS, AND A FIRING PIN ALIGNED WITH EACH OF SAID PRIMER MEANS AND HAVING A REARWARD PORTION POSITIONED IN THE UPWARD PATH OF SAID HOUSING CAM, SO CONSTRUCTED AND ARRANGED THAT SAID PRIMER MEANS ARE ACTUATED TO FIRE SAID SHOTGUN SHELLS SUBSTANTIALLY SIMULTANEOUSLY BY THE UPWARD MOVEMENT OF SAID HOUSING CAM.
Claim 2
Dependent Claim 245 words
IN AN ANTIPERSONNEL MINE HAVING A SUBSTANTIALLY CYLINDRICAL MAIN BODY, SAID BODY HAVING A PLURALITY OF EQUIANGULARLY SPACED RADIAL BORES AND AN AXIAL BORE THERETHROUGH, A HOUSING HAVING AN UPPER END AND A LOWER END IN SAID AXIAL BORE IN SLIDABLE RELATION WITH SAID MAIN BODY AND HAVING AN AXIAL BORE THEREIN, A PERIPHERAL CAM ON THE LOWER END OF SAID HOUSING, PRESSURE PRODUCING MEANS FIXED TO SAID MAIN BODY AND DISPOSED IN SAID HOUSING AXIAL BORE AT THE LOWER END THEREOF FOR PROVIDING A MOVING FORCE TO SAID HOUSING TO MOVE SAID HOUSING VERTICALLY UPWARDLY, A TRIGGERING MECHANISM DISPOSED IN SAID HOUSING AXIAL BORE ABOVE SAID PRESSURE PRODUCING MEANS AND AXIALLY ALIGNED THEREWITH, MEANS PROVIDING A DOWNWARDLY DIRECTED MOVING FORCE ON SAID TRIGGERING MECHANISM, MEANS HOLDING SAID TRIGGERING MECHANISM AT STATIONARY RELATION WITH SAID MAIN BODY, SAID HOLDING MEANS BEING ADAPTED TO RELEASE WHEN A PREDETERMINED FORCE IS APPLIED TO SAID TRIGGERING MECHANISM BOTH WHEN DIRECTED HORIZONTALLY THERETHROUGH AND WHEN DIRECTED VERTICALLY DOWNWARD THERETHROUGH, A PLURALITY OF SHOTGUN SHELLS INSERTED IN SAID MAIN BODY RADIAL BORES POSITIONED TO FIRE OUTWARDLY THEREFROM, PRIMER MEANS IN SAID MAIN BODY RADIAL BORES FOR FIRING SAID SHOTGUN SHELLS, AND A FIRING PIN ALIGNED WITH EACH OF SAID PRIMER MEANS AND HAVING A REARWARD PORTION POSITIONED IN THE UPWARD PATH OF SAID HOUSING CAM, SO CONSTRUCTED AND ARRANGED THAT SAID PRIMER MEANS ARE ACTUATED TO FIRE SAID SHOTGUN SHELLS SUBSTANTIALLY SIMULTANEOUSLY BY THE UPWARD MOVEMENT OF SAID HOUSING CAM.

References Cited (Backward Citations)

US1284777A Cited
US1335996A Cited
US1745759A Cited
US2375522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-22 1970-11-21 1971-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-22 1974-11-21 1975-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-22 1978-11-21 1979-05-23 $7700.00 Window Closed / Lapsed

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