US2045009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cooling and aerating liquids
Assignee: Individual
•
Filing: 1933-08-21
•
Granted: 1936-06-23
•
Expires: 1953-08-21
Abstract
No abstract record available.
Inventors
- 👤 Paul W Ehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:27
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/12; F25D23/126; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/5762; Y10T137/5835; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/8593; Y10T137/86187; Y10T137/86228; Y10T137/87571; Y10T137/87652; Y10T137/8766
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |