US2597943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filler valve with automatic and emergency cutoff
Assignee: Individual
•
Filing: 1945-10-19
•
Granted: 1952-05-27
•
Expires: 1965-10-19
Abstract
No abstract record available.
Inventors
- 👤 George L N Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:30
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/02; B67C3/22; B67C3/26; B67C3/2614; B67C3/2625; B67C3/2628; B67C2003/2645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |