Patent US746445A successfully refreshed from Google Patents.
Patent US3045339A successfully refreshed from Google Patents.
US3045339A
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Metal forming by explosive force through a solid gel
Assignee: Olin Corp
•
Filing: 1958-06-02
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Granted: 1962-07-24
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Fred T Callahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:23
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN THE PROCESS OF WORKING METAL VESSELS WITH EXPLOSIVES, THE IMPROVEMENT COMPRISING THE STEPS OF POSITIONING AN EXPLOSIVE CHARGE WITHIN A VESSEL, AND TRANSMITTING THE FORCE OF SAID EXPLOSIVE CHARGE TO SAID VESSEL THROUGH AN INTERVENING GEL, SAID GEL BEING AT LEAST INITIALLY SOLID DURING TRANSMISSION AND SEALED IN SAID VESSEL BY A RESILIENT CUP-SHAPED OBTURATOR, AND SAID GEL HAVING SAID EXPLOSIVE CHARGE EMBEDDED THEREIN.
Claim 2
Dependent Claim
65 words
IN THE PROCESS OF WORKING METAL VESSELS WITH EXPLOSIVES, THE IMPROVEMENT COMPRISING THE STEPS OF POSITIONING AN EXPLOSIVE CHARGE WITHIN A VESSEL, AND TRANSMITTING THE FORCE OF SAID EXPLOSIVE CHARGE TO SAID VESSEL THROUGH AN INTERVENING GEL, SAID GEL BEING AT LEAST INITIALLY SOLID DURING TRANSMISSION AND SEALED IN SAID VESSEL BY A RESILIENT CUP-SHAPED OBTURATOR, AND SAID GEL HAVING SAID EXPLOSIVE CHARGE EMBEDDED THEREIN.
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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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |