US3065526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material for handling molten glass
Assignee: Engelhard Industries Inc
•
Filing: 1958-09-10
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Granted: 1962-11-27
•
Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 James S Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:40
CPC Classifications
C; C23; C23C; C23C28/00; C23C28/02; C23C28/023; B; B32; B32B; B32B15/00; B32B15/01; B32B15/018; C03; C03B; C03B37/00; C03B37/08; C03B37/0805; C03B37/095; C25; C25D; C25D5/00; C25D5/10; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A MATERIAL FOR HANDLING MOLTEN GLASS AND RESISTANT TO WETTING BY MOLTEN GLASS, COMPOSED OF AN ALLOY OF PLATINUM AND FROM 10 PERCENT TO 50 PERCENT RHODIUM WITH A COATING ON A SURFACE THEREOF COMPOSED OF INTERDIFFUSED LAYERS OF PLATINUM AND GOLD WITH THE PLATINUM ON THE PLATINUM-RHODIUM SURFACE AND THE GOLD ON THE PLATINUM AND EACH OF THE LAYERS HAVING A THICKNESS OF UP TO 0.001", AND THE SURFACE OF THE COATING HAVING A HARDNESS AT LEAST EQUAL TO THE PLATINUM-RHODIUM ALLOY.
Claim 2
Dependent Claim
83 words
A MATERIAL FOR HANDLING MOLTEN GLASS AND RESISTANT TO WETTING BY MOLTEN GLASS, COMPOSED OF AN ALLOY OF PLATINUM AND FROM 10 PERCENT TO 50 PERCENT RHODIUM WITH A COATING ON A SURFACE THEREOF COMPOSED OF INTERDIFFUSED LAYERS OF PLATINUM AND GOLD WITH THE PLATINUM ON THE PLATINUM-RHODIUM SURFACE AND THE GOLD ON THE PLATINUM AND EACH OF THE LAYERS HAVING A THICKNESS OF UP TO 0.001", AND THE SURFACE OF THE COATING HAVING A HARDNESS AT LEAST EQUAL TO THE PLATINUM-RHODIUM ALLOY.
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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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |