US3511265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float valve assembly
Assignee: Lau Inc
•
Filing: 1967-07-25
•
Granted: 1970-05-12
•
Expires: 1987-07-25
Abstract
No abstract record available.
Inventors
- 👤 Warner W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:30
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US484384A
Cited
US1288688A
Cited
US1462599A
Cited
US1980430A
Cited
US2059359A
Cited
US2117056A
Cited
US2855970A
Cited
US3064773A
Cited
US3004748A
Cited
US3310065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |