US2905949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush valve assembly
Assignee: VALGUARD CO Inc
•
Filing: 1955-10-28
•
Granted: 1959-09-29
•
Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Roland W Downin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:29
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/304; E03D1/32; 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)
AT39861B
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US1140712A
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US1476029A
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US1601210A
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US2430765A
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US2488457A
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US2628362A
Cited
US2678451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |