Patent US1159699A successfully refreshed from Google Patents.
US1159699A
Expired / Lapsed
US
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Water-purification apparatus.
Assignee: CECIL A MURDOCK
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Filing: 1915-06-28
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Granted: 1915-11-09
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Expires: 1935-06-28
Abstract
No abstract record available.
Inventors
- 👤 James A Murdock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:06
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/46104
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) | 1918-11-08 | 1919-05-10 | 1919-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-08 | 1923-05-10 | 1923-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-08 | 1927-05-10 | 1927-11-09 | $7700.00 | Window Closed / Lapsed |