US3188186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium plating
Assignee: Motors Liquidation Co
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Filing: 1964-03-30
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Granted: 1965-06-08
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Rollie P Durham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:12
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/10; C25D5/12; C25D5/14; C25D5/60; C25D5/625; C25D5/627; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12021; Y10T428/12479; Y10T428/12493; Y10T428/12639; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN ARTICLE HAVING A DECORATIVE CORROSION-RESISTANT METAL COATING THEREON WHICH INCLUDES A NICKEL COATING AND A DUAL LAYER CHROMIUM COATING ON THE NICKEL COATING, THE OUTERMOST OF SAID CHROMIUM LAYERS HAVING A THICKNESS OF AT LEAST ABOUT 0.000015 INCH BUT LESS THAN 0.000050 INCH AND EXHIBITING A CRACK PATTERN DENSER THAN THE CRACK PATTERN OF THE INNERMOST LAYER, THE CRACK PATTERN DENSITY OF SAID OUTERMOST LAYER BEING AT LEAST ABOUT 50 CRACKS PER LINEAL INCH.
Claim 2
Dependent Claim
75 words
AN ARTICLE HAVING A DECORATIVE CORROSION-RESISTANT METAL COATING THEREON WHICH INCLUDES A NICKEL COATING AND A DUAL LAYER CHROMIUM COATING ON THE NICKEL COATING, THE OUTERMOST OF SAID CHROMIUM LAYERS HAVING A THICKNESS OF AT LEAST ABOUT 0.000015 INCH BUT LESS THAN 0.000050 INCH AND EXHIBITING A CRACK PATTERN DENSER THAN THE CRACK PATTERN OF THE INNERMOST LAYER, THE CRACK PATTERN DENSITY OF SAID OUTERMOST LAYER BEING AT LEAST ABOUT 50 CRACKS PER LINEAL INCH.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |