Patent US2598706A successfully refreshed from Google Patents.
US2598706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self air-escaping floating valve
Assignee: Individual
•
Filing: 1947-12-23
•
Granted: 1952-06-03
•
Expires: 1967-12-23
Abstract
No abstract record available.
Inventors
- 👤 Robert M Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:58
CPC Classifications
F; F16; F16K; F16K24/00; F16K24/04; F16K24/042; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/3028; Y10T137/304; Y10T137/3052; Y10T137/3068
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |