US2548568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water separator
Assignee: ERIE METER SYSTEMS Inc
•
Filing: 1944-12-29
•
Granted: 1951-04-10
•
Expires: 1964-12-29
Abstract
No abstract record available.
Inventors
- 👤 Rehl W Swank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/04; B01D17/00; B01D17/02; B01D17/04; B01D17/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US136364A
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US439695A
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FR389579A
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US1133289A
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US1430234A
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US1780663A
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US1804743A
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US2233093A
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US2345848A
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US2363009A
Cited
US2348925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |