US3028964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic water softener system including a pressurized brine tank, control valve, valve operating means, and/or timer combinations
Assignee: Individual
•
Filing: 1956-11-01
•
Granted: 1962-04-10
•
Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Earl C Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:54
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/083; F16K11/0836; C; C02; C02F; C02F1/00; C02F1/42; G; G05; G05B; G05B19/00; G05B19/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86493; Y10T137/86863; Y10T137/86871
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1661675A
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US1974335A
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US2670328A
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US2636560A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |