US3235955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive forming with balanced charges
Assignee: Foster Wheeler Inc
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Filing: 1964-01-22
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Granted: 1966-02-22
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Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kunsagi Laszlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/08; Y; Y10; Y10S; Y10S102/00; Y10S102/701; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD FOR FABRICATING A PREDETERMINED CYLINDRICAL VESSEL FROM A FIRST OPEN-ENDED CYLINDRICAL VESSEL OF LENGTH GREATER THAN ITS DIAMETER COMPRISING THE STEPS OF: SUPPORTING THE FIRST CYLINDRICAL VESSEL UPRIGHT ON A SURFACE; FILLING THE FIRST CYLINDRICAL VESSEL WITH AN ENERGY TRANSMITTING MEDIUM; FABRICATING A CYLINDRICAL CHARGE OF LENGTH SUBSTANTIALLY EQUAL TO THE LENGTH OF THE FIRST CYLINDRICAL VESSEL BY DISPOSING PROGRESSIVELY INCREASING QUANTITIES OF EXPLOSIVE THEREIN IN THE LENGTHWISE DIRECTION FROM THE CENTER OF THE CHARGE APPROACHING THE ENDS; DISPOSING THE CHARGE AXIALLY AND ENTIRELY WITHIN THE FIRST CYLINDRICAL VESSEL; AND
Claim 2
Independent Claim
92 words
A METHOD FOR FABRICATING A PREDETERMINED CYLINDRICAL VESSEL FROM A FIRST OPEN-ENDED CYLINDRICAL VESSEL OF LENGTH GREATER THAN ITS DIAMETER COMPRISING THE STEPS OF: SUPPORTING THE FIRST CYLINDRICAL VESSEL UPRIGHT ON A SURFACE; FILLING THE FIRST CYLINDRICAL VESSEL WITH AN ENERGY TRANSMITTING MEDIUM; FABRICATING A CYLINDRICAL CHARGE OF LENGTH SUBSTANTIALLY EQUAL TO THE LENGTH OF THE FIRST CYLINDRICAL VESSEL BY DISPOSING PROGRESSIVELY INCREASING QUANTITIES OF EXPLOSIVE THEREIN IN THE LENGTHWISE DIRECTION FROM THE CENTER OF THE CHARGE APPROACHING THE ENDS; DISPOSING THE CHARGE AXIALLY AND ENTIRELY WITHIN THE FIRST CYLINDRICAL VESSEL; AND
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |