US926843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-treating apparatus.
Assignee: NORTHERN WATER SOFTENER Co
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Filing: 1907-09-23
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Granted: 1909-07-06
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Expires: 1927-09-23
Abstract
No abstract record available.
Inventors
- 👤 Kent W Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:26
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; Y10T137/8593; Y10T137/86236
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) | 1912-07-05 | 1913-01-04 | 1913-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-07-05 | 1917-01-04 | 1917-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-07-05 | 1921-01-04 | 1921-07-06 | $7700.00 | Window Closed / Lapsed |