Patent US2565384A successfully refreshed from Google Patents.
US2565384A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1946-11-30
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Granted: 1951-08-21
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Expires: 1966-11-30
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Lindquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/657; E02F3/6454; E02F3/6481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US605621A
Cited
US1958195A
Cited
US2172672A
Cited
US2189222A
Cited
US2396287A
Cited
US2411280A
Cited
US2425664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |