US3186007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selectively operated stacked columns for controlling amount of discharge from flush tank
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1965-06-01
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Vincent L Falotico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:39
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/14; E03D1/142; E03D1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FLUSH TANK COMPRISING MEANS DEFINING A DISCHARGE OPENING AT THE BOTTOM THEREOF, LOWER END AND UPPER COLUMNS HAVING FLOW PASSAGES THERETHROUGH, THE LOWER COLUMN IN ITS LOWERMOST POSITION BEING REMOVABLY SEATED IN SEALING ENGAGEMENT ON A SURFACE SURROUNDING THE DISCHARGE OPENING AND ENTRAPPING A QUANTITY OF WATER WITHIN THE TANK TO THE FULL HEIGHT OF THE LOWER COLUMN, AND THE UPPER COLUMN IN ITS LOWERMOST POSITION BEING REMOVABLY SEATED IN SEALING ENGAGEMENT WITH THE LOWER COLUMN AND ENTRAPPING A QUANTITY OF WATER WITHIN THE TANK OF THE HEIGHT OF THE TWO COLUMNS IN END-TO-END RELATION, ACTUATING MEANS OUTSIDE THE TANK, AND MEANS OPERABLY COUPLING THE ACTUATING MEANS TO BOTH OF SAID COLUMNS, SAID ACTUATING MEANS BEING SELEC-
Claim 2
Dependent Claim
118 words
A FLUSH TANK COMPRISING MEANS DEFINING A DISCHARGE OPENING AT THE BOTTOM THEREOF, LOWER END AND UPPER COLUMNS HAVING FLOW PASSAGES THERETHROUGH, THE LOWER COLUMN IN ITS LOWERMOST POSITION BEING REMOVABLY SEATED IN SEALING ENGAGEMENT ON A SURFACE SURROUNDING THE DISCHARGE OPENING AND ENTRAPPING A QUANTITY OF WATER WITHIN THE TANK TO THE FULL HEIGHT OF THE LOWER COLUMN, AND THE UPPER COLUMN IN ITS LOWERMOST POSITION BEING REMOVABLY SEATED IN SEALING ENGAGEMENT WITH THE LOWER COLUMN AND ENTRAPPING A QUANTITY OF WATER WITHIN THE TANK OF THE HEIGHT OF THE TWO COLUMNS IN END-TO-END RELATION, ACTUATING MEANS OUTSIDE THE TANK, AND MEANS OPERABLY COUPLING THE ACTUATING MEANS TO BOTH OF SAID COLUMNS, SAID ACTUATING MEANS BEING SELEC-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |