US3331121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling explosion-bonded titanium clads
Assignee: EIDP Inc
•
Filing: 1964-12-29
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Granted: 1967-07-18
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Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Maris Joseph L De
- 👤 Arnold H Holtzman
- 👤 Pocalyko Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; B23K20/06; B23K20/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE PROCESS WHICH COMPRISES ROLLING TITANIUM/ STEEL CLADS AT ELEVATED TEMPERATURES, THE IMPROVEMENTS OF: (A) PROVIDING AS THE STARTING MATERIAL A COMPOSITE COMPRISING AT LEAST ONE LAYER OF TITANIUM JOINED TO AT LEAST ONE LAYER OF STEEL BY EXPLOSIVE BONDING ALONG A WAVY INTERFACE INTERSPERSED WITH POCKETS OF ALLOY WHICH POCKETS CONSTITUTE LESS THAN ABOUT 30% OF THE TOTAL BOND AREA AND ARE INTERMEDIATE IN COMPOSITON BETWEEN THE TITANIUM AND STEEL LAYERS, THE RATIO OF THE WAVE LENGTH X TO THE AMPLITUDE A OF THE BONDED INTERFACE BEING ABOUT 5:1 TO 15:1,
Claim 2
Dependent Claim
93 words
IN THE PROCESS WHICH COMPRISES ROLLING TITANIUM/ STEEL CLADS AT ELEVATED TEMPERATURES, THE IMPROVEMENTS OF: (A) PROVIDING AS THE STARTING MATERIAL A COMPOSITE COMPRISING AT LEAST ONE LAYER OF TITANIUM JOINED TO AT LEAST ONE LAYER OF STEEL BY EXPLOSIVE BONDING ALONG A WAVY INTERFACE INTERSPERSED WITH POCKETS OF ALLOY WHICH POCKETS CONSTITUTE LESS THAN ABOUT 30% OF THE TOTAL BOND AREA AND ARE INTERMEDIATE IN COMPOSITON BETWEEN THE TITANIUM AND STEEL LAYERS, THE RATIO OF THE WAVE LENGTH X TO THE AMPLITUDE A OF THE BONDED INTERFACE BEING ABOUT 5:1 TO 15:1,
References Cited (Backward Citations)
US2993269A
Cited
US3194643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |