US2526012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicompartment treating chamber
Assignee: Blaw Knox Co
•
Filing: 1947-05-28
•
Granted: 1950-10-17
•
Expires: 1967-05-28
Abstract
No abstract record available.
Inventors
- 👤 Feldmeier Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:39
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/16; F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/145; F26B21/00; F26B21/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1197324A
Cited
US1470953A
Cited
US1651871A
Cited
US1933960A
Cited
US2148739A
Cited
US2268988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |