Patent US2504450A successfully refreshed from Google Patents.
US2504450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level controlled filling spout
Assignee: Individual
•
Filing: 1947-02-12
•
Granted: 1950-04-18
•
Expires: 1967-02-12
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:27
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; B67D7/44; B67D7/46; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2363123A
Cited
US2418280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |