US2705830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated metal objects
Assignee: Individual
•
Filing: 1951-06-15
•
Granted: 1955-04-12
•
Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Hiram S Lukens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:48
CPC Classifications
C; C25; C25D; C25D11/00; C25D5/00; C25D5/48; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12007; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METALLIC COATED ARTICLE COMPRISING A BASE HAVING A HIGHER MELTING POINT THAN SILVER, A THIN POROUS SILVER COAT ON SAID BASE, SAID SILVER COAT BEING OF A THINNESS OF LESS THAN ABOUT .0015 INCH, AND A WATER-IN SOLUBLE FUSED SILVER SALT HAVING A LOWER MELTING POINT THAN SAID METALLIC BASE, SAID SILVER SALT BEING ON THE EXTERIOR OF SAID SILVER COAT AND BEING RETIANED IN AND CLOSING THE PORES OF SAID SILVER COAT.
Claim 2
Dependent Claim
74 words
A METALLIC COATED ARTICLE COMPRISING A BASE HAVING A HIGHER MELTING POINT THAN SILVER, A THIN POROUS SILVER COAT ON SAID BASE, SAID SILVER COAT BEING OF A THINNESS OF LESS THAN ABOUT .0015 INCH, AND A WATER-IN SOLUBLE FUSED SILVER SALT HAVING A LOWER MELTING POINT THAN SAID METALLIC BASE, SAID SILVER SALT BEING ON THE EXTERIOR OF SAID SILVER COAT AND BEING RETIANED IN AND CLOSING THE PORES OF SAID SILVER COAT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |