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US2616670A
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Liquid distribution device
Assignee: Directie van de Staatsmijnen in Limburg
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Filing: 1949-01-07
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Granted: 1952-11-04
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Expires: 1969-01-07
Abstract
No abstract record available.
Inventors
- 👤 Molen Arie P Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:19
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/04; Y; Y10; Y10S; Y10S165/00; Y10S165/163; Y10S165/177; Y10S165/181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US808050A
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US783915A
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US930926A
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GB238106A
Cited
DE473793C
Cited
US1759231A
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US1840947A
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AU706427A
Cited
US2249846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |