Patent US1007176A successfully refreshed from Google Patents.
US1007176A
Expired / Lapsed
US
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Water-softening apparatus.
Assignee: NORTHERN WATER SOFTENER Co
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Filing: 1908-01-22
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Granted: 1911-10-31
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Expires: 1928-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kent W Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:39
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2534; Y10T137/2539
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-10-30 | 1915-05-01 | 1915-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-10-30 | 1919-05-01 | 1919-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-10-30 | 1923-05-01 | 1923-10-31 | $7700.00 | Window Closed / Lapsed |