US3614827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for explosively bonding dissimilar metals
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1969-04-24
•
Granted: 1971-10-26
•
Expires: 1989-04-24
Abstract
Abstract ACCORDING TO THE PRESENT DISCLOSURE, A METAL CLADDING LAYER OF RELATIVELY LOW ACOUSTIC IMPEDANCE IS EXPLOSIVELY BONDED TO ONE SURFACE OF THE METAL OF TWO DISSIMILAR METALS WHICH HAS THE HIGHER ACOUSTIC IMPEDANCE. SUBSEQUENTLY, THE METAL CLADDING LAYER IS EXPLOSIVELY BONDED TO THE OTHER OF THE TWO DISSIMILAR METALS.
Inventors
- 👤 Louis H Knop
- 👤 John P Mykkanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:55
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |