US3480041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer controlled water softener valve
Assignee: Aqua Matic Inc
•
Filing: 1965-08-23
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Granted: 1969-11-25
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Robert A Whitlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:29
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; F16K11/10; F16K11/14; F16K11/16; F16K11/161; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461; Y10T137/86493; Y10T137/86718; Y10T137/86726; Y10T137/86879; Y10T137/86895
Claims Analysis
Total Claims: 0
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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) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |