US3136049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive method and apparatus for deforming metal
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1959-07-27
•
Granted: 1964-06-09
•
Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Guy C Throner
- 👤 Lieberman Irving
- 👤 Zernow Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:52
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
102 words
A METHOD OF FABRICATING A METAL MEMBER COMPRISING THE STEPS OF, ARRANGING A METAL MEMBER TO BE FORMED OVER A MOLD HAVING A TOP SURFACE WHICH IS INDENTED IN PART, SECURING SAID MEMBER TO SAID MOLD TO FORM A UNITARY STRUCTURE, SUBMERGING SAID UNITARY STRUCTURE IN A FLUID BODY, EVACUATING THE REGION BETWEEN SAID MEMBER AND THE TOP SURFACE OF THE MOLD, ARRANGING AN EXPLOSIVE CHARGE IN SAID FLUID BODY ABOVE SAID UNITARY STRUCTURE AND BELOW THE SURFACE OF SAID FLUID BODY, AND DETONATING SAID EXPLOSIVE CHARGE, WHEREBY THE RESULTING EXPLOSION FORMS SAID MEMBER IN CONFORMITY WITH THE CONTOUR OF SAID MOLD.
Claim 2
Independent Claim
102 words
A METHOD OF FABRICATING A METAL MEMBER COMPRISING THE STEPS OF, ARRANGING A METAL MEMBER TO BE FORMED OVER A MOLD HAVING A TOP SURFACE WHICH IS INDENTED IN PART, SECURING SAID MEMBER TO SAID MOLD TO FORM A UNITARY STRUCTURE, SUBMERGING SAID UNITARY STRUCTURE IN A FLUID BODY, EVACUATING THE REGION BETWEEN SAID MEMBER AND THE TOP SURFACE OF THE MOLD, ARRANGING AN EXPLOSIVE CHARGE IN SAID FLUID BODY ABOVE SAID UNITARY STRUCTURE AND BELOW THE SURFACE OF SAID FLUID BODY, AND DETONATING SAID EXPLOSIVE CHARGE, WHEREBY THE RESULTING EXPLOSION FORMS SAID MEMBER IN CONFORMITY WITH THE CONTOUR OF SAID MOLD.
References Cited (Backward Citations)
US2969758A
Cited
US2983242A
Cited
US1935916A
Cited
US2016569A
Cited
US2434379A
Cited
US2555497A
Cited
US2686488A
Cited
GB657727A
Cited
US2486130A
Cited
US2586706A
Cited
US2820286A
Cited
US2779279A
Cited
US2770034A
Cited
US2836530A
Cited
US2858603A
Cited
US2935038A
Cited
US3065720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |