US2904062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float valve
Assignee: Lindsay Co
•
Filing: 1957-11-12
•
Granted: 1959-09-15
•
Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Techler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; Y; Y10; Y10S; Y10S422/00; Y10S422/902; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303; Y10T137/7313; Y10T137/7316; Y10T137/7319; Y10T137/7358; Y10T137/7365; Y10T137/7423; Y10T137/7426; Y10T137/7436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1149675A
Cited
US1416496A
Cited
US1941814A
Cited
US2300856A
Cited
US2739939A
Cited
US2716422A
Cited
US2827915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |