Patent EP0085141A1 successfully refreshed from Google Patents.
US2672879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective guard for flush valve handles
Assignee: Individual
•
Filing: 1951-04-30
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Granted: 1954-03-23
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Expires: 1971-04-30
Abstract
No abstract record available.
Inventors
- 👤 Downin Roland Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:44
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; F16K31/602; E; E03; E03D; E03D5/00; E03D5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/2093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1425949A
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US1509676A
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US2563978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |