US2580652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding steel to silver
Assignee: Individual
•
Filing: 1945-07-18
•
Granted: 1952-01-01
•
Expires: 1965-07-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:04
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C23C24/106; B; B23; B23K; B23K35/00; B23K35/001; B23K35/004; C23C26/00; C23C26/02; C23C28/00; C23C28/02; C23C28/023; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/937; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/1216; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF BONDING STEEL AND SILVER COMPRISING SPARSELY DEPOSITING FINE NICKEL PARTICLES ONTO PORTIONS OF THE STEEL, HEATING THE STEEL TO CAUSE FUSION OF THE NICKEL PARTICLES THERETO TO FORM AN EXTREMELY THIN NICKEL LATTICE OVER THE STEEL EXPOSING THE STEEL AT THE INTERSTICES IN THE LATTICE, AND THEN APPLYING A SILVER OVERLAY OVER SUCH LATTICE WHICH IS BONDED TO AND IMPREGNATES SUCH LATTICE.
Claim 2
Independent Claim
65 words
THE METHOD OF BONDING STEEL AND SILVER COMPRISING SPARSELY DEPOSITING FINE NICKEL PARTICLES ONTO PORTIONS OF THE STEEL, HEATING THE STEEL TO CAUSE FUSION OF THE NICKEL PARTICLES THERETO TO FORM AN EXTREMELY THIN NICKEL LATTICE OVER THE STEEL EXPOSING THE STEEL AT THE INTERSTICES IN THE LATTICE, AND THEN APPLYING A SILVER OVERLAY OVER SUCH LATTICE WHICH IS BONDED TO AND IMPREGNATES SUCH LATTICE.
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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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |