US2567762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating nickel with mercury
Assignee: Raytheon Co
•
Filing: 1947-03-07
•
Granted: 1951-09-11
•
Expires: 1967-03-07
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Burkholder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:06
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C25; C25D; C25D5/00; C25D5/34; C25D5/38; C25D5/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
THE PROCESS FOR COATING A NICKEL BODY WITH A SURFACE LAYER OF MERCURY WHICH COMPRISES ETCHING THE SURFACE OF SAID BODY WITH NITRIC ACID, THEN IMMERSING SAID BODY IN A BATH OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACETIC,
Claim 2
Dependent Claim
41 words
THE PROCESS FOR COATING A NICKEL BODY WITH A SURFACE LAYER OF MERCURY WHICH COMPRISES ETCHING THE SURFACE OF SAID BODY WITH NITRIC ACID, THEN IMMERSING SAID BODY IN A BATH OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACETIC,
References Cited (Backward Citations)
US1306690A
Cited
US1324835A
Cited
US1168663A
Cited
FR514415A
Cited
US1379998A
Cited
US2313756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |