US2775434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion devices for treating liquids
Assignee: Siemens Schuckertwerke AG
•
Filing: 1952-04-26
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Granted: 1956-12-25
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Expires: 1972-04-26
Abstract
No abstract record available.
Inventors
- 👤 Probst Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:34
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/12; C12H1/16; A; A23; A23L; A23L5/00; A23L5/30; A23L5/32; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2086891A
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US2420864A
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US2447061A
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US2597505A
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US2514797A
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US2592703A
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US2645836A
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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) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |