Patent US3117518A successfully refreshed from Google Patents.
US3117518A
Expired / Lapsed
US
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Apparatus for cutting encased explosives
Assignee: Individual
•
Filing: 1947-04-15
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Granted: 1964-01-14
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Expires: 1967-04-15
Abstract
No abstract record available.
Inventors
- 👤 Louis F Porter
- 👤 Harlan W Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:53
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN EXPLOSIVELY OPERATED CUTTING DEVICE COMPRISING A TROUGH SHAPED, OPEN-TOPPED CONTAINER TO CIRCUMSCRIBE AN OBJECT TO BE CUT, SAID CONTAINER HAVING AN INVERTED VBOTTOM, AN EXPLOSIVE CHARGE FILLING THE CONTAINER SUBSTANTIALLY LEVEL WITH THE OPEN TOP, A DETONATOR FOR THE CHARGE, A BOOSTER CHARGE APPLIED ON TOP OF THE CONTAINER, AND A SUPPORTING BLOCK SET ON THE CHARGE BEHIND THE DETONATOR, SAID BOOSTER CHARGE CONSTITUTING A MOUNT IN WHICH TO PLANT THE DETONATOR IN POSITION WITH THE PLANTED END THEREOF STANDING CLEAR OF THE CHARGE AND IN AN INCLINED POSITION OF ENGAGEMENT WITH SAID SUPPORTING BLOCK, THUS TO INSURE CUTTING OF THE OBJECT UNDER THE DETONATOR AS WELL AS THROUGHOUT THE LENGTH OF THE CHARGE.
Claim 2
Dependent Claim
115 words
AN EXPLOSIVELY OPERATED CUTTING DEVICE COMPRISING A TROUGH SHAPED, OPEN-TOPPED CONTAINER TO CIRCUMSCRIBE AN OBJECT TO BE CUT, SAID CONTAINER HAVING AN INVERTED VBOTTOM, AN EXPLOSIVE CHARGE FILLING THE CONTAINER SUBSTANTIALLY LEVEL WITH THE OPEN TOP, A DETONATOR FOR THE CHARGE, A BOOSTER CHARGE APPLIED ON TOP OF THE CONTAINER, AND A SUPPORTING BLOCK SET ON THE CHARGE BEHIND THE DETONATOR, SAID BOOSTER CHARGE CONSTITUTING A MOUNT IN WHICH TO PLANT THE DETONATOR IN POSITION WITH THE PLANTED END THEREOF STANDING CLEAR OF THE CHARGE AND IN AN INCLINED POSITION OF ENGAGEMENT WITH SAID SUPPORTING BLOCK, THUS TO INSURE CUTTING OF THE OBJECT UNDER THE DETONATOR AS WELL AS THROUGHOUT THE LENGTH OF THE CHARGE.
References Cited (Backward Citations)
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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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |