US2828114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for producing relative movements between a liquid and articles immersed in the same
Assignee: Individual
•
Filing: 1951-09-20
•
Granted: 1958-03-25
•
Expires: 1971-09-20
Abstract
No abstract record available.
Inventors
- 👤 Raudszus Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:30
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/04; B06B1/045; A; A47; A47L; A47L15/00; A47L15/02; A47L15/13; A47L17/00; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; D; D06; D06B; D06B13/00; D06B5/00; D06B5/12; D06F; D06F7/00; D06F7/04; D06F7/06; A47L2601/00; A47L2601/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1101560A
Cited
US2118480A
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US2193934A
Cited
GB548960A
Cited
US2527666A
Cited
US2543818A
Cited
US2531655A
Cited
US2616820A
Cited
US2591990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |