US3465880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact water softener and brine storage tank
Assignee: Culligan Inc
•
Filing: 1966-05-02
•
Granted: 1969-09-09
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Charles E Lyall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:44
CPC Classifications
B; B01; B01J; B01J49/00; B01J49/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2007068A
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FR849080A
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US2906332A
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US2999514A
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US3278424A
Cited
US3092738A
Cited
US3169110A
Cited
US3307914A
Cited
US3347785A
Cited
US3374891A
Cited
US3352419A
Cited
US3385441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |