US2900707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic protective coating
Assignee: Udylite Corp
•
Filing: 1954-08-06
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Granted: 1959-08-25
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Expires: 1974-08-06
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/10; C25D5/12; C25D3/00; C25D3/02; C25D3/12; C25D5/60; C25D5/615; C25D5/617; C25D5/623; C25D5/627; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12931; Y10T428/12944; Y10T428/12993
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A METALLIC BRIGHT PROTECTIVE COATING ON A METALLIC BASE CONSISTING OF A FIRMLY ADHERENT LAYER OF A LUSTROUS NICKEL DEPOSIT HAVING A THICKNESS IN THE RANGE OF ABOUT 0.5-2 MILS, AND A LAYER OVERLYING SAID LUSTROUS NICKEL DEPOSIT CONSISTING OF A NICKEL ALLOY AND HAVING A THICKNESS OF ABOUT 0.05-1 MIL, SAID NICKEL ALLOY BEING AN ALLOY OF NICKEL WITH AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF CBALT AND IRON AND CONTAINING AT LEAST 50% NICKEL, THE COBALT, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF ABOUT 10% TO 50%, AND THE IRON, WHEN PRESENT, BEING PRESENT IN AN AMOUNT LESS THAN 40%.
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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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |