US3475294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electroplating chromium and compositions therefor
Assignee: M&T Chemicals Inc
•
Filing: 1968-01-17
•
Granted: 1969-10-28
•
Expires: 1988-01-17
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Seyb Jr
- 👤 Hyman Chessin
- 👤 Fred Aoun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:07
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04; C25D3/10; Y; Y10; Y10S; Y10S205/00; Y10S205/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2623847A
Cited
US2640022A
Cited
US2745801A
Cited
US3248310A
Cited
US3282812A
Cited
US3311548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |