US2454418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic flow divider
Assignee: Individual
•
Filing: 1944-01-15
•
Granted: 1948-11-23
•
Expires: 1964-01-15
Abstract
No abstract record available.
Inventors
- 👤 Zimmermann Lukas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:17
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22; F; F15; F15B; F15B11/00; F15B11/16; F15B11/22; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/2521; Y10T137/2524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1423852A
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US1886393A
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US1876833A
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GB370345A
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US1998984A
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US2105454A
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US2254103A
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US2291578A
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US2343912A
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US2353802A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |