Patent US870747A successfully refreshed from Google Patents.
US870747A
Expired / Lapsed
US
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Boiling and distilling apparatus.
Assignee: Individual
•
Filing: 1907-01-07
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Granted: 1907-11-12
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Expires: 1927-01-07
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Planckh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:01
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/30; B01D1/305; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04
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) | 1910-11-11 | 1911-05-13 | 1911-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-11 | 1915-05-13 | 1915-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-11 | 1919-05-13 | 1919-11-12 | $7700.00 | Window Closed / Lapsed |