US3190771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament for vacuum deposition apparatus and method of making it
Assignee: Electra Manufacturing Co
•
Filing: 1962-01-11
•
Granted: 1965-06-22
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 William E Mclean
- 👤 Gaylord A Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C23C24/106; C23C14/00; C23C14/22; C23C14/24; C23C14/26; H; H01; H01B; H01B1/00; H01B1/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12333; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12812
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
THE METHOD OF FORMING AN ADHERENT COATING OF ALLOY ON A BASE OF HIGH MELTING POINT METAL WHICH COMPRISES THE STEPS OF FORMING ON THE BASE A SUBSTANTIALLY UNIFORM LAYER OF A VAPORIZABLE METAL ALLOY POWDER HAVING MIXED THEREWITH A MINOR PORTION OF A THERMOSETTABLE WHICH IS THERMALLY DECOMPOSABLE TO PRODUCE VAPORIZABLE DECOMPOSITION PRODUCTS AND A LOW ASH RESIDUE SUBJECT ING THE BASE IN THE PRESENCE OF VACUUM TO A TEMPERATURE WHICH IS SUFFICIENTLY HIGH AS TO DECOMPOSE THE RESIN AND VAPORIZE THE DECOMPOSITION PRODUCTS AND TO PRODUCE A SINTERED LAYER OF METAL POWDER, AND THEN INCREASING THE TEMPERATURE WHILE MAINTAINING THE VACUUM TO MELT THE SINTERED LAYER SO THAT THE ALLOY BECOMES WETTINGLY ADHERENT TO THE BASE AND DISTRIBUTED SUBSTANTIALLY UNIFORMLY OVER THE SURFACE THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |