US2947323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush valve control for plumbing fixtures
Assignee: Individual
•
Filing: 1955-05-06
•
Granted: 1960-08-02
•
Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Becker Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/02; E03D5/022; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; G05D7/0113; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US662489A
Cited
US690546A
Cited
US1114360A
Cited
US1828517A
Cited
US1643500A
Cited
US1570830A
Cited
US1841433A
Cited
US2546418A
Cited
US2612187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |