US3438064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable flush tank valve for water closets
Assignee: Individual
•
Filing: 1967-06-08
•
Granted: 1969-04-15
•
Expires: 1987-06-08
Abstract
No abstract record available.
Inventors
- 👤 Morris Taien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:21
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1699890A
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US1753997A
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US1946266A
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US1946267A
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US2168742A
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US2257292A
Cited
US2214439A
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US2777136A
Cited
US2869141A
Cited
US3368224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |