US3674675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platinized plastic electrodes
Assignee: FRANK H LEAMAN
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Filing: 1970-07-09
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Granted: 1972-07-04
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Expires: 1990-07-09
Abstract
Abstract A platinum coated electrode is provided with a platinum layer applied directly over a relative inert material such as polysulfone or materials similar thereto. This electrode can be advantageously used for plating metals from corrosive solutions and for other applications wherein a platinum inert electrode would be used.
Inventors
- 👤 Frank H Leaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:48
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/42; C23C18/44; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/091
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
22 words
The platinized electrode of claim 1 wherein said core is selected from the group consisting of polypropylene, polysulfone, porcelains and aluminum oxide.
Claim 2
Dependent Claim
12 words
The platinized electrode of claim 2 wherein the core is aluminum oxide.
Claim 3
Dependent Claim
11 words
The platinized electrode of claim 2 wherein the core is polysulfone.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |