Patent US654965A successfully refreshed from Google Patents.
US654965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil-separator.
Assignee: Individual
•
Filing: 1900-04-11
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Granted: 1900-07-31
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Expires: 1920-04-11
Abstract
No abstract record available.
Inventors
- 👤 August H Franke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:27
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2829; Y10T137/794; Y10T137/8013
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) | 1903-07-31 | 1904-01-30 | 1904-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-07-31 | 1908-01-30 | 1908-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-07-31 | 1912-01-30 | 1912-07-31 | $7700.00 | Window Closed / Lapsed |