Patent US4316210A successfully refreshed from Google Patents.
Patent US3233312A successfully refreshed from Google Patents.
US3233312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosively bonded product
Assignee: EIDP Inc
•
Filing: 1962-08-03
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Granted: 1966-02-08
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 George R Cowan
- 👤 Arnold H Holtzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:16
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12729; Y10T428/12736; Y10T428/12743; Y10T428/1275; Y10T428/12757; Y10T428/12771; Y10T428/12778; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12896; Y10T428/12903; Y10T428/1291; Y10T428/12917; Y10T428/12924; Y10T428/12951; Y10T428/12958; Y10T428/12965; Y10T428/12986
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A PLANAR MULTILAYERED BONDED ARTICLE COMPRISING TWO METALLIC LAYERS OF DIFFERENT COMPOSITION EACH HAVING A MINIMUM PLANAR DIMENSION OF AT LEAST THREE INCHES BONDED TOGETHER TO FORM A COMPOSITE SYSTEM BY A CONTINUOUS BONDING LAYER, SAID BONDING LAYER BEING CHARACTERIZED BY AN ABRUPT CHANGE IN COMPOSITION ACROSS EACH INTERFACE THEREOF AND BY DISCRETE AND RELATIVELY PERIODIC REGIONS HAVING A COMPOSITION SUBSTANTIALLY UNIFORM THROUGHOUT EACH REGION AND INTERMEDIATE BETWEEN THAT OF SAID LAYERS, SAID REGION BEING SPACED BETWEEN SUBSTANTIALLY CONTINUOUS METAL-TO-METAL BONDING, SAID SYSTEM BEING BONDED OVER MORE THAN 90% OF EACH INTERFACE AND HAVING A SHEAR STRENGTH GREATER THAN ABOUT 75% OF THAT OF THE WEAKER METAL IN SAID SYSTEM BEFORE CLADDING.
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |