Patent US3261840A successfully refreshed from Google Patents.
US3261840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bright nickel plating baths
Assignee: Sarki Research and Development Corp
•
Filing: 1964-04-14
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Granted: 1966-07-19
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Kroll Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:53
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A COMPOUND HAVING A FORMULA GIVEN BY HE FOLLOWING :
Claim 2
Dependent Claim
10 words
A COMPOUND HAVING A FORMULA GIVEN BY HE FOLLOWING :
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |