US3297552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a titanium piece having good anti-wear, anti-galling, antiseizure and anti-friction properties
Assignee: Individual
•
Filing: 1964-08-25
•
Granted: 1967-01-10
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Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Gisser Henry
- 👤 Arthur M Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:28
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/48; C25D5/50; C25D7/00; C25D7/10; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/912; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12861; Y10T428/12889; Y10T428/12896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD FOR PRODUCING A MACHINABLE TITANIUM PIECE HAVING ON ITS SURFACE A THIN LAYER OF A NOBLE METAL SELECTED FROM THE GROUP CONSISTING OF GOLD AND SILVER AND BETWEEN SAID LAYER AND TITANIUM BASE A THICKER ALLOY CONCENTRATION GRADIENT OF TITANIUM AND SAID NOBLE METAL, SAID GRADIENT HAVING A HARDNESS EXCEEDING THE HARDNESS OF SAID TITANIUM BASE OVER A MAJOR PORTION THEREOF, SAID METHOD COMPRISING THE STEPS OF: ELECTROPLATING SAID PIECE WITH SAID NOBLE METAL, GRADUALLY AND STRONGLY HEATING THE ELECTROPLATED PIECE IN VACUO FROM ROOM TEMPERATURE, HOLDING THE ELECTROPLATED PIECE IN VACUO IN ITS STRONGLY HEATED STATE, AND ALLOWING THE PIECE TO COOL GRADUALLY IN VACUO.
Claim 2
Independent Claim
108 words
A METHOD FOR PRODUCING A MACHINABLE TITANIUM PIECE HAVING ON ITS SURFACE A THIN LAYER OF A NOBLE METAL SELECTED FROM THE GROUP CONSISTING OF GOLD AND SILVER AND BETWEEN SAID LAYER AND TITANIUM BASE A THICKER ALLOY CONCENTRATION GRADIENT OF TITANIUM AND SAID NOBLE METAL, SAID GRADIENT HAVING A HARDNESS EXCEEDING THE HARDNESS OF SAID TITANIUM BASE OVER A MAJOR PORTION THEREOF, SAID METHOD COMPRISING THE STEPS OF: ELECTROPLATING SAID PIECE WITH SAID NOBLE METAL, GRADUALLY AND STRONGLY HEATING THE ELECTROPLATED PIECE IN VACUO FROM ROOM TEMPERATURE, HOLDING THE ELECTROPLATED PIECE IN VACUO IN ITS STRONGLY HEATED STATE, AND ALLOWING THE PIECE TO COOL GRADUALLY IN VACUO.
References Cited (Backward Citations)
US3045333A
Cited
US2734837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |