US3529997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous electrode for the production of peroxide solutions
Assignee: Kimberly Clark Corp
•
Filing: 1969-03-17
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Granted: 1970-09-22
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Expires: 1989-03-17
Abstract
No abstract record available.
Inventors
- 👤 Donald H Grangaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:41
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; C; C25; C25B; C25B1/00; C25B1/01; C25B1/28; C25B1/30; C25B11/00; C25B11/04; C25B11/042; C25B11/048; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2000815A
Cited
US2091129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |