US2318206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating liquids flowing through heated tubes
Assignee: M WERK Co
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Filing: 1940-06-17
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Granted: 1943-05-04
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Expires: 1960-06-17
Abstract
No abstract record available.
Inventors
- 👤 Gustav W Eisenlohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
F; F28; F28F; F28F19/00; B; B01; B01J; B01J10/00; B01J10/02; B01J19/00; B01J19/24; B01J19/2415; B01J19/243; B01J3/00; B01J3/04; B01J3/042; C; C11; C11C; C11C1/00; C11C1/02; C11C1/04; F28F13/00; F28F13/06; F28F13/12; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00099
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) | 1946-05-03 | 1946-11-02 | 1947-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-03 | 1950-11-02 | 1951-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-03 | 1954-11-02 | 1955-05-04 | $7700.00 | Window Closed / Lapsed |