US3000766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cleaning process
Assignee: Horizons Inc
•
Filing: 1958-04-28
•
Granted: 1961-09-19
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Wainer Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:59
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR REMOVING ADHERENT NON-METALLIC ADHERENT ORGANIC MATERIALS FORM PIECES OF METAL TO WHICH THEY ARE BONDED WHICH COMPRISES: PREPARING A FUSED SALT MELT CONSISTING PRINCIPALLY OF ALKALI METAL NITRITE, IMMERSING THE PIECES OF METAL WITH ACCOMPANYING NONMETALLIC MATERIAL IN SAID MELT, WHILE MAINTAINING THE MELT AT A TEMPERATURE BELOW THE MELTING POINT OF THE METAL AND THEN WITHDRAWING THE METAL FROM SAID MELT AFTER THE NON-METALLIC ORGANIC MATERIAL HAS BEEN REMOVED THEREFROM, AND MAINTAINING THE COATING-REMOVING EFFICIENCY OF SAID FUSED NITRITE MELT BY BUBBLING AIR INTO SAID MELT.
Claim 2
Dependent Claim
90 words
A PROCESS FOR REMOVING ADHERENT NON-METALLIC ADHERENT ORGANIC MATERIALS FORM PIECES OF METAL TO WHICH THEY ARE BONDED WHICH COMPRISES: PREPARING A FUSED SALT MELT CONSISTING PRINCIPALLY OF ALKALI METAL NITRITE, IMMERSING THE PIECES OF METAL WITH ACCOMPANYING NONMETALLIC MATERIAL IN SAID MELT, WHILE MAINTAINING THE MELT AT A TEMPERATURE BELOW THE MELTING POINT OF THE METAL AND THEN WITHDRAWING THE METAL FROM SAID MELT AFTER THE NON-METALLIC ORGANIC MATERIAL HAS BEEN REMOVED THEREFROM, AND MAINTAINING THE COATING-REMOVING EFFICIENCY OF SAID FUSED NITRITE MELT BY BUBBLING AIR INTO SAID MELT.
References Cited (Backward Citations)
US1430878A
Cited
US1714879A
Cited
US2676900A
Cited
US2564037A
Cited
US2738294A
Cited
US2653883A
Cited
US2832703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |