Patent US2805965A successfully refreshed from Google Patents.
US2805965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing deposits of metal compounds on metal
Assignee: Sprague Electric Co
•
Filing: 1952-09-25
•
Granted: 1957-09-10
•
Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robinson Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:00
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/40; C23C16/403; C23C16/404; C23C16/405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR APPLYING TO A SURFACE A DIELECTRIC FILM OF A METAL COMPOUND, SAID PROCESS INCLUDING THE STEPS OF DIRECTING ONTO THE SURFACE A STREAM OF THE VAPORS OF AN ORGANIC HYDROXY SALT OF SAID METAL, AND HEATING THE SURFACE TO A TEMPERATURE THAT CAUSES THE IMPINGING VAPORS TO DECOMPOSE INTO A SOLID COMPOUND OF SAID METAL THAT ADHERES TO AND COVERS THE SURFACE.
Claim 2
Dependent Claim
65 words
A PROCESS FOR APPLYING TO A SURFACE A DIELECTRIC FILM OF A METAL COMPOUND, SAID PROCESS INCLUDING THE STEPS OF DIRECTING ONTO THE SURFACE A STREAM OF THE VAPORS OF AN ORGANIC HYDROXY SALT OF SAID METAL, AND HEATING THE SURFACE TO A TEMPERATURE THAT CAUSES THE IMPINGING VAPORS TO DECOMPOSE INTO A SOLID COMPOUND OF SAID METAL THAT ADHERES TO AND COVERS THE SURFACE.
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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |