US2468175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrochemical
Assignee: —
•
Filing: —
•
Granted: 1949-04-26
•
Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:01
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; Y; Y10; Y10S; Y10S422/00; Y10S422/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US578685A
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US1035684A
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US644510A
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GB190405688A
Cited
US941768A
Cited
US1055331A
Cited
US1060839A
Cited
GB191214871A
Cited
US1233925A
Cited
US1601500A
Cited
US1912373A
Cited
GB400431A
Cited
US2106780A
Cited
US2313028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |