Patent US4222277A successfully refreshed from Google Patents.
US3090733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite nickel electroplate
Assignee: Udylite Research Corp
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Filing: 1961-04-17
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Granted: 1963-05-21
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:06
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/10; C25D5/12; C25D5/14; C25D5/60; C25D5/623; C25D5/625; C25D5/627; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/933; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/1266; Y10T428/12729; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A FIRMLY BONDED LAMINATED CORROSION-PROTECTIVE COMPOSITE COATING ON A METAL BASE SUSCEPTIBLE TO ATMOSPHERIC CORROSION COMPRISING AS ITS ESSENTIAL LAYERS THEREE ADJACENTLY BONDED LAYERS OF ELECTRODEPOSITS, THE LOWER LAYER OF WHICH CONSISTS ESSENTIALLY OF NICKEL ELECTROPLATE HAVING A THICKNESS OF ABOUT 0.15 MIL TO ABOUT 1.5 MILS AND AN AVERAGE SULFUR CONTENT LESS THAN ABOUT 0.03%, THE INTERMEDIATE LAYER OF WHICH CONSISTS ESSENTIALLY OF AN ELECTROPLATE SELECTED FROM THE GROUP CONSISTING OF NICKEL ELECTOPLATE AND NICKEL-COBALT ALLOY ELECTROPLATE CONTAINING AT LEAST ABOUT 50% NICKEL, SAID INTERMEDIATE LAYER HAVING A THICKNESS OF ABOUT 0.005 MIL TO ABOUT 0.2 MIL AND AN AVERAGE SULFURE CONTENT OF ABOUT 0.05% TO ABOUT 0,3%, AND THE UPPER LAYER OF WHICH CONSISTS ESSENTIALLY OF AN ELECTROPLATE SELECTED FROM THE GROUP CONSISTING OF NICKEL ELECTROPLATE AND NICKEL-COBALT ALLOY ELECTROPLATE CONTAINING AT LEAST ABOUT 50% NICKEL, SAID UPPER LAYER HAVING A THICKNESS OF ABOUT 0.15 MIL TO ABOUT 1.5 MILS AND AN AVERAGE SULFUR CONTENT OF ABOUT 0.025% TO ABOUT 0.15%, SAID UPPER NICKEL PLATE CONTAINING A LOWER PERCENTAGE OF SULFUR THAN SAID INTERMEDIATE NCIKEL LAYER, AND A HIGHER PERCENTAGE OF SULFUR THAN SAID LOWER LAYER.
Claim 2
Dependent Claim
188 words
A FIRMLY BONDED LAMINATED CORROSION-PROTECTIVE COMPOSITE COATING ON A METAL BASE SUSCEPTIBLE TO ATMOSPHERIC CORROSION COMPRISING AS ITS ESSENTIAL LAYERS THEREE ADJACENTLY BONDED LAYERS OF ELECTRODEPOSITS, THE LOWER LAYER OF WHICH CONSISTS ESSENTIALLY OF NICKEL ELECTROPLATE HAVING A THICKNESS OF ABOUT 0.15 MIL TO ABOUT 1.5 MILS AND AN AVERAGE SULFUR CONTENT LESS THAN ABOUT 0.03%, THE INTERMEDIATE LAYER OF WHICH CONSISTS ESSENTIALLY OF AN ELECTROPLATE SELECTED FROM THE GROUP CONSISTING OF NICKEL ELECTOPLATE AND NICKEL-COBALT ALLOY ELECTROPLATE CONTAINING AT LEAST ABOUT 50% NICKEL, SAID INTERMEDIATE LAYER HAVING A THICKNESS OF ABOUT 0.005 MIL TO ABOUT 0.2 MIL AND AN AVERAGE SULFURE CONTENT OF ABOUT 0.05% TO ABOUT 0,3%, AND THE UPPER LAYER OF WHICH CONSISTS ESSENTIALLY OF AN ELECTROPLATE SELECTED FROM THE GROUP CONSISTING OF NICKEL ELECTROPLATE AND NICKEL-COBALT ALLOY ELECTROPLATE CONTAINING AT LEAST ABOUT 50% NICKEL, SAID UPPER LAYER HAVING A THICKNESS OF ABOUT 0.15 MIL TO ABOUT 1.5 MILS AND AN AVERAGE SULFUR CONTENT OF ABOUT 0.025% TO ABOUT 0.15%, SAID UPPER NICKEL PLATE CONTAINING A LOWER PERCENTAGE OF SULFUR THAN SAID INTERMEDIATE NCIKEL LAYER, AND A HIGHER PERCENTAGE OF SULFUR THAN SAID LOWER LAYER.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |