US3211092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimine weapon
Assignee: Individual
•
Filing: 1960-08-29
•
Granted: 1965-10-12
•
Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Donald F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:44
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
IN AN EXPLOSIVE DEVICE SUBMERSIBLE TO ANY WATER DEPTH AND OPERABLE ONLY AFTER CONTACT WITH AN OBJECT OF MAGENETIC MATERIAL, THE COMBINATION, COMPRISING: A PLURALITY OF PERMANENT MAGNETS ARRANGED IN PARALLEL WITH THE MAGNETIC POLES THEREOF ADJACENTLY ALIGNED, MAGNETIC CORES RESPECTIVELY CONNECTING THE ADJACENT POLES AT EACH END OF SAID MAGNETS, COILS INDUCTIVELY ASSOCIATED WITH EACH OF SAID CORES FOR GENERATING AN ELECTIRC CURRENT DUE TO A SUDDEN CHANGE IN MAGNETIC FLUX CREATED WHEN EACH OF SAID CORES SIMULTANEOUSLY CONTACT A MAGNETIC OBJECT, SAID MAGNETS HAVING SUFFICIENT ATTRACTION FORCE FOR SEL-MAINTAINING CONTACT, FRANGIBLE MEANS HAVING A FASTENER MEANS MADE OF WIRE PARTIALLY EMBEDDED THEREIN FOR ATTACHMENT TO A SUPPORTING APPARATUS, SQUIB MEANS HOUSED WITHIN SAID FRANGIBLE MEANS AND IN ELECTRICAL CONTACT WITH SAID COILS DETONATED BY SAID ELECTRIC CURRENT FOR DETACHING SAID FASTENER MEANS FROM THE SUPPORTING APPARATUS, AN EXPLOSIVE CHARGE STRUCTURALLY SECURED ABOUT SAID MAGNET MEANS FOR DESTROYING THE OBJECT, DETONATOR CAP EMBEDDED IN SAID CHARGE FOR DETONATING SAID CHARGE MEANS, TIMER MEANS FIXED ADJACENT TO SAID CHARGE MEANS FOR PROVIDING A TIMED INTERVAL, A PLUNGER OPERATIVELY CONNECTED BETWEENSAID FRANGIBLE MEANS AND SAID TIMER FOR INITIATING THE TIME INTERVAL WHEN SAID SQUIB MEANS DETONATES, AND AND SAID DETONATOR CAP FOR FIRING SAID DETONATOR CAP A FIRING PIN OPERATIVELY CONNECTED BETWEEN SAID TIMER AT THE EXPIRATION OF THE TIME INTERVAL.
Claim 2
Dependent Claim
220 words
IN AN EXPLOSIVE DEVICE SUBMERSIBLE TO ANY WATER DEPTH AND OPERABLE ONLY AFTER CONTACT WITH AN OBJECT OF MAGENETIC MATERIAL, THE COMBINATION, COMPRISING: A PLURALITY OF PERMANENT MAGNETS ARRANGED IN PARALLEL WITH THE MAGNETIC POLES THEREOF ADJACENTLY ALIGNED, MAGNETIC CORES RESPECTIVELY CONNECTING THE ADJACENT POLES AT EACH END OF SAID MAGNETS, COILS INDUCTIVELY ASSOCIATED WITH EACH OF SAID CORES FOR GENERATING AN ELECTIRC CURRENT DUE TO A SUDDEN CHANGE IN MAGNETIC FLUX CREATED WHEN EACH OF SAID CORES SIMULTANEOUSLY CONTACT A MAGNETIC OBJECT, SAID MAGNETS HAVING SUFFICIENT ATTRACTION FORCE FOR SEL-MAINTAINING CONTACT, FRANGIBLE MEANS HAVING A FASTENER MEANS MADE OF WIRE PARTIALLY EMBEDDED THEREIN FOR ATTACHMENT TO A SUPPORTING APPARATUS, SQUIB MEANS HOUSED WITHIN SAID FRANGIBLE MEANS AND IN ELECTRICAL CONTACT WITH SAID COILS DETONATED BY SAID ELECTRIC CURRENT FOR DETACHING SAID FASTENER MEANS FROM THE SUPPORTING APPARATUS, AN EXPLOSIVE CHARGE STRUCTURALLY SECURED ABOUT SAID MAGNET MEANS FOR DESTROYING THE OBJECT, DETONATOR CAP EMBEDDED IN SAID CHARGE FOR DETONATING SAID CHARGE MEANS, TIMER MEANS FIXED ADJACENT TO SAID CHARGE MEANS FOR PROVIDING A TIMED INTERVAL, A PLUNGER OPERATIVELY CONNECTED BETWEENSAID FRANGIBLE MEANS AND SAID TIMER FOR INITIATING THE TIME INTERVAL WHEN SAID SQUIB MEANS DETONATES, AND AND SAID DETONATOR CAP FOR FIRING SAID DETONATOR CAP A FIRING PIN OPERATIVELY CONNECTED BETWEEN SAID TIMER AT THE EXPIRATION OF THE TIME INTERVAL.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |