US2773268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush valve
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1954-06-24
•
Granted: 1956-12-11
•
Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 Hurko Bohdan
- 👤 Elbert P Robare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:28
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/308; E03D1/304; E03D1/306; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1201416A
Cited
US668960A
Cited
US1298012A
Cited
US2083486A
Cited
US2270989A
Cited
US2629879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |