Patent US3175489A successfully refreshed from Google Patents.
US3175489A
Expired / Lapsed
US
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Air-delivered anti-personnel mine
Assignee: Individual
•
Filing: 1962-11-27
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Granted: 1965-03-30
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin G Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:06
CPC Classifications
H; H01; H01H; H01H36/00; F; F42; F42B; F42B23/00; F42B23/10; F42B23/16; F42C; F42C11/00; F42C11/001; F42C11/007; F42C15/00; F42C15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN AN AIR-DELIVERED ANTI-PERSONNEL LAND MINE, (A) A BARREL HAVING MEANS FOR MAINTAINING THE BARREL IN A SUBSTANTIALLY UPRIGHT ATTITUDE IN FREE FALL; (B) THE BARREL HAVING A SPIKE-LIKE BOTTOM TO PLANT THE BARREL SUBSTANTIALLY UPRIGHT IN THE EARTH; (C) AN UNARMED GRENADE IN THE BARREL; AND (D) MEANS RESPONSIVE TO PLANTING OF THE BARREL IN THE EARTH FOR ARMING THE GRENADE; (E) SAID MEANS INCLUDING MAGNETICALLY CONTROLLED MEANS OPERATIVE IN RESPONSE TO A DISTURBANCE OF THE LOCAL MAGNETIC FIELD FOR FIRING THE GRENADE UPWARD OUT OF THE PLANTED BARREL AND INTO THE AIR AND EXPLODING THE GRENADE WHILE THE GRENADE IS IN THE AIR.
Claim 2
Dependent Claim
105 words
IN AN AIR-DELIVERED ANTI-PERSONNEL LAND MINE, (A) A BARREL HAVING MEANS FOR MAINTAINING THE BARREL IN A SUBSTANTIALLY UPRIGHT ATTITUDE IN FREE FALL; (B) THE BARREL HAVING A SPIKE-LIKE BOTTOM TO PLANT THE BARREL SUBSTANTIALLY UPRIGHT IN THE EARTH; (C) AN UNARMED GRENADE IN THE BARREL; AND (D) MEANS RESPONSIVE TO PLANTING OF THE BARREL IN THE EARTH FOR ARMING THE GRENADE; (E) SAID MEANS INCLUDING MAGNETICALLY CONTROLLED MEANS OPERATIVE IN RESPONSE TO A DISTURBANCE OF THE LOCAL MAGNETIC FIELD FOR FIRING THE GRENADE UPWARD OUT OF THE PLANTED BARREL AND INTO THE AIR AND EXPLODING THE GRENADE WHILE THE GRENADE IS IN THE AIR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |