Patent US1878645A successfully refreshed from Google Patents.
Patent US2886499A successfully refreshed from Google Patents.
US2886499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective metal coatings for molybdenum
Assignee: Individual
•
Filing: 1957-01-07
•
Granted: 1959-05-12
•
Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Schaer
- 👤 John G Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:49
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/38; C25D5/10; C25D5/12; C25D5/14; Y; Y10; Y10S; Y10S205/00; Y10S205/917; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF PROTECTING MOLYBDENUM ARTICLES FROM OXIDATION AT HIGH TEMPERATURES COMPRISING, FIRST ELECTROPLATING SAID ARTICLES WITH A STRIKE COATING OF CHROMIUM ABOUT .0005 INCH THICK, NEXT ELECTROPLATING A LAYER OF GOLD ABOUT .0015 INCH THICK ON SAID STRIKE COATING OF CHROMIUM, AND FINALLY ELECTROPLATING A LAYER OF CHROMIUM FROM .003 TO .005 INCH THICK ON SAID LAYER OF GOLD.
Claim 2
Independent Claim
60 words
THE METHOD OF PROTECTING MOLYBDENUM ARTICLES FROM OXIDATION AT HIGH TEMPERATURES COMPRISING, FIRST ELECTROPLATING SAID ARTICLES WITH A STRIKE COATING OF CHROMIUM ABOUT .0005 INCH THICK, NEXT ELECTROPLATING A LAYER OF GOLD ABOUT .0015 INCH THICK ON SAID STRIKE COATING OF CHROMIUM, AND FINALLY ELECTROPLATING A LAYER OF CHROMIUM FROM .003 TO .005 INCH THICK ON SAID LAYER OF GOLD.
References Cited (Backward Citations)
US2114161A
Cited
US2482308A
Cited
US2654146A
Cited
US2539096A
Cited
US2697130A
Cited
US2776255A
Cited
US2816066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |