US3110089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding amalgam inserts in cavities and structure thereby produced
Assignee: Engelhard Industries Inc
•
Filing: 1959-12-16
•
Granted: 1963-11-12
•
Expires: 1979-12-16
Abstract
No abstract record available.
Inventors
- 👤 James S Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:08
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD OF CEMENTING AN ELEMENT IN A CAVITY IN A METAL BODY TO PROVIDE GOOD THERMAL CONTACT OF THE ELEMENT WITH A METAL TO WHICH AN AMALGAM WILL NOT BOND BUT WHICH IS CHEMICALLY EXCHANGEABLE WITH A METAL TO WHICH AN AMALGAM WILL BOND, COMPRISING THE STEPS OF CLEANING THE CAVITY, FILLING THE CAVITY WITH AN IMMERSION TYPE PLATING SOLUTION OF A METAL TO WHICH AN AMALGAM WILL BOND AND WHICH IS CHEMICALLY EXCHANGEABLE WITH THE METAL OF THE BODY, PERMITTING THE SOLUTION TO EXCHANGE METAL FROM THE CAVITY WALL SURFACES WITH THE PLATING SOLUTION METAL UNTIL A LAYER OF THE SOLUTION METAL IS FORMED ON THE CAVITY WALLS, REMOVING THE SOLUTION FROM THE CAVITY, PLACING AN ELEMENT TO BE CEMENTED TO THE BODY
Claim 2
Independent Claim
125 words
A METHOD OF CEMENTING AN ELEMENT IN A CAVITY IN A METAL BODY TO PROVIDE GOOD THERMAL CONTACT OF THE ELEMENT WITH A METAL TO WHICH AN AMALGAM WILL NOT BOND BUT WHICH IS CHEMICALLY EXCHANGEABLE WITH A METAL TO WHICH AN AMALGAM WILL BOND, COMPRISING THE STEPS OF CLEANING THE CAVITY, FILLING THE CAVITY WITH AN IMMERSION TYPE PLATING SOLUTION OF A METAL TO WHICH AN AMALGAM WILL BOND AND WHICH IS CHEMICALLY EXCHANGEABLE WITH THE METAL OF THE BODY, PERMITTING THE SOLUTION TO EXCHANGE METAL FROM THE CAVITY WALL SURFACES WITH THE PLATING SOLUTION METAL UNTIL A LAYER OF THE SOLUTION METAL IS FORMED ON THE CAVITY WALLS, REMOVING THE SOLUTION FROM THE CAVITY, PLACING AN ELEMENT TO BE CEMENTED TO THE BODY
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |