US2619024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extractor
Assignee: FJ Stokes Machine Co
•
Filing: 1950-11-01
•
Granted: 1952-11-25
•
Expires: 1970-11-01
Abstract
No abstract record available.
Inventors
- 👤 Earl W Flosdorf
- 👤 Edward C Distler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:46
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0226; A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1081949A
Cited
DE358608C
Cited
US1793465A
Cited
US2083293A
Cited
US2183837A
Cited
GB529311A
Cited
US2381965A
Cited
US2427388A
Cited
US2517073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |