US2194037A
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Aerating device for liquids
Assignee: SETH L WAY
•
Filing: 1938-03-18
•
Granted: 1940-03-19
•
Expires: 1958-03-18
Abstract
No abstract record available.
Inventors
- 👤 Charles H Thuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:20
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/042; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2321; B01F23/23211; B01F23/233; B01F23/234; B01F23/2366; B01F23/2368; B01F23/40; B01F23/45; B01F23/454; B01F25/00; B01F25/60; B01F27/00; B01F27/80; B01F33/00; B01F33/50; B01F33/503; Y; Y10; Y10S; Y10S261/00; Y10S261/71
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) | 1943-03-19 | 1943-09-18 | 1944-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-19 | 1947-09-18 | 1948-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-19 | 1951-09-18 | 1952-03-19 | $7700.00 | Window Closed / Lapsed |