US3691027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing corrosion resistant chromium plated articles
Assignee: Honeywell International Inc
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Filing: 1970-06-16
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Granted: 1972-09-12
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Expires: 1990-06-16
Abstract
Abstract CORROSION RESISTANT CHROMIUM PLATED ARTICLES AND A METHOD FOR PRODUCING THEM IS PROVIDED WHEREIN A DECORATIVE AND PROTECTIVE MULTI-LAYER ELECTROPLATE IS APPLIED ON A BASIS METAL COMPRISING SUCCESSIVE LAYERS OF A ZINC-NICKEL ALLOY, A NICKEL PLATE AND A DECORATIVE AND PROTECTIVE CHROMIUM PLATE.
Inventors
- 👤 Winslow H Hartford
- 👤 Edmund W Smalley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:38
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/10; C25D5/12; C25D5/14; C25D3/00; C25D3/02; C25D3/56; C25D3/565; C25D5/60; C25D5/625; C25D5/627; Y; Y10; Y10S; Y10S205/00; Y10S205/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |