Patent US2425685A successfully refreshed from Google Patents.
US2425685A
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Assignee: Individual
•
Filing: 1944-11-14
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Granted: 1947-08-12
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Expires: 1964-11-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Pinder
- 👤 Blair Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:54
CPC Classifications
B; B64; B64C; B64C17/00; Y; Y10; Y10S; Y10S116/00; Y10S116/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US557140A
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US1218253A
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US1598796A
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GB267214A
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US1888298A
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DE606958C
Cited
GB452826A
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US2255814A
Cited
US2336142A
Cited
DE698338C
Cited
US2373504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |