US2835900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for toilet flush tank valve
Assignee: Individual
•
Filing: 1955-09-13
•
Granted: 1958-05-27
•
Expires: 1975-09-13
Abstract
No abstract record available.
Inventors
- 👤 Stanley F Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:46
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/14; E03D1/142; E03D1/30; E03D1/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1577728A
Cited
US1960864A
Cited
US2341116A
Cited
US2528441A
Cited
US2602934A
Cited
US2625691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |