Patent US751187A successfully refreshed from Google Patents.
US751187A
Expired / Lapsed
US
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Apparatus for condensing and bleaching oils.
Assignee: Individual
•
Filing: 1903-03-10
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Granted: 1904-02-02
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Expires: 1923-03-10
Abstract
No abstract record available.
Inventors
- 👤 Stanislaw Lewiak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:10
CPC Classifications
F; F28; F28F; F28F13/00; F28F13/06; F28F13/12; Y; Y10; Y10S; Y10S165/00; Y10S165/318; Y10S165/32; Y10S165/322; Y10S165/323
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) | 1907-02-01 | 1907-08-03 | 1908-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-02-01 | 1911-08-03 | 1912-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-02-01 | 1915-08-03 | 1916-02-02 | $7700.00 | Window Closed / Lapsed |