US3120827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming metal plates with explosives
Assignee: Individual
•
Filing: 1960-04-20
•
Granted: 1964-02-11
•
Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 Moroni T Abegg
- 👤 Richard A Norwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:44
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/08; Y; Y10; Y10S; Y10S72/00; Y10S72/706; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A METHOD FOR SHAPING A FLAT METAL PLATE INTO A CONTOURED SURFACE USING EXPLOSIVE SHOCK WAVES, THE STEPS COMPRISING PLACING SAID METAL PLATE OVER A CONTOURED RECESS OF A FEMALE DIE, SHAPING AN EXPLOSIVE SHOCK WAVE IN A CONFIGURATION ESSENTIALLY INVERTED TO THE CONFIGURATION OF SAID CONTOURED RECESS, DISPOSING SAID SHOCK WAVES TO TRAVEL TOWARDS SAID RECESS IN A MIRROR RELATION THERETO, AND IMPACTING SAID SHOCK WAVES AGAINST SAID METAL PLATE.
Claim 2
Dependent Claim
72 words
IN A METHOD FOR SHAPING A FLAT METAL PLATE INTO A CONTOURED SURFACE USING EXPLOSIVE SHOCK WAVES, THE STEPS COMPRISING PLACING SAID METAL PLATE OVER A CONTOURED RECESS OF A FEMALE DIE, SHAPING AN EXPLOSIVE SHOCK WAVE IN A CONFIGURATION ESSENTIALLY INVERTED TO THE CONFIGURATION OF SAID CONTOURED RECESS, DISPOSING SAID SHOCK WAVES TO TRAVEL TOWARDS SAID RECESS IN A MIRROR RELATION THERETO, AND IMPACTING SAID SHOCK WAVES AGAINST SAID METAL PLATE.
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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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |