Patent US2116541A successfully refreshed from Google Patents.
US2116541A
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US
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Method for aerating liquids
Assignee: Hobart Manfacturing Co
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Filing: 1934-07-30
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Granted: 1938-05-10
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Expires: 1954-07-30
Abstract
No abstract record available.
Inventors
- 👤 Roush Lee
- 👤 Riedel Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:47
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/12; A47J43/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-05-09 | 1941-11-08 | 1942-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-09 | 1945-11-08 | 1946-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-09 | 1949-11-08 | 1950-05-10 | $7700.00 | Window Closed / Lapsed |