US2995479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degassing aluminum articles
Assignee: —
•
Filing: —
•
Granted: 1961-08-08
•
Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:31
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD OF SUBSTANTIALLY REDUCING THE GAS CONTENT OF ALUMINUM ARTICLES COMPRISING: COATING THE SURFACE OF AN ALUMINUM ARTICLE CONTAINING GAS WITH AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, MOLYBDENUM, PALADIUM, RHODIUM AND IRIDIUM AND THEREAFTER HEATING SAID COATED ARTICLE IN A GASEOUS ATMOSPHERE AT A TEMPERATURE ABOVE 750*F., BUT BELOW THE TEMPERATURE AT WHICH ANY SUBSTANTIAL AMOUNT OF FUSION OCCURS, FOR A LENGTH OF TIME SUFFICIENT TO DIFFUSE OCCLUDED GAS INTO THE ATMOSPHERE AROUND SAID ARTICLE.
Claim 2
Independent Claim
81 words
THE METHOD OF SUBSTANTIALLY REDUCING THE GAS CONTENT OF ALUMINUM ARTICLES COMPRISING: COATING THE SURFACE OF AN ALUMINUM ARTICLE CONTAINING GAS WITH AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, MOLYBDENUM, PALADIUM, RHODIUM AND IRIDIUM AND THEREAFTER HEATING SAID COATED ARTICLE IN A GASEOUS ATMOSPHERE AT A TEMPERATURE ABOVE 750*F., BUT BELOW THE TEMPERATURE AT WHICH ANY SUBSTANTIAL AMOUNT OF FUSION OCCURS, FOR A LENGTH OF TIME SUFFICIENT TO DIFFUSE OCCLUDED GAS INTO THE ATMOSPHERE AROUND SAID ARTICLE.
References Cited (Backward Citations)
US2733168A
Cited
US1497417A
Cited
US2028312A
Cited
US1975818A
Cited
US2499808A
Cited
US2761792A
Cited
US2885316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |