US2920853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide for the ball float of flush tanks
Assignee: Individual
•
Filing: 1957-11-18
•
Granted: 1960-01-12
•
Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Bufogle John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:46
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US535922A
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US1037679A
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US2367256A
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US2542591A
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US2665869A
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US2749072A
Cited
US2817847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |