US3191868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoridation apparatus
Assignee: Individual
•
Filing: 1963-10-16
•
Granted: 1965-06-29
•
Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Robert M Brown
- 👤 Lavine Richard
- 👤 Coleman William
- 👤 Marvin E Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:50
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A FLUORIDATION APPARATUS FOR ATTACHMENT TO A WATER FAUCET, SAID APPARATUS COMPRISING: (A) A HOLLOW OUTER CASING HAVING AN INLET IN ITS UPPER PORTION DESIGNED FOR COUPLING TO SAID WATER FAUCET; (B) AN OUTLET IN THE LOWER PORTION OF SAID OUTER CASING, (C) A HOLLOW INNER CASING DISPOSED WITHIN SAID OUTER CASING; (D) MEANS SUPPORTING SAID INNER CASING IN SPACED RELATIONSHIP FROM SAID OUTER CASING, THE SAPCE BETWEEN SAID INNER CASING AND OUTER CASING DEFINING A CONDUIT FOR WATER FLOW, (E) A CHEMICAL RELEASING SUBSTANCE DISPOSED IN SAID INNER CASING AND HAVING PASSAGES THERETHROUGH; (F) AT LEAST ONE OUTLET AND ONE INLET IN SAID INNER CASING, SAID CHEMICAL RELEASING SUBSTANCE BEING INTERPOSED IN SERIES BETWEEN SAID INLET AND OUTLET OF SAID INNER CASING COFUNCTIONING THEREWITH SUCH THAT THE WATER FLOWING THROUGH SAID INNER CASING MUST REVERSE ITS DIRECTION OF FLOW; (G) MEANS COMMUNICATING BETWEEN SAID OUTLET FROM SAID INNER CASING AND SAID CONDUIT, WHEREBY THE WATER FLOWING THROUGH SAID CHEMICAL RELEASING SUBSTANCE COMBINES WITH THE WATER FLOWING THROUGH SAID CONDUIT TO PASS FROM THE OUTLET OF SAID OUTER CASING.
Claim 2
Dependent Claim
179 words
A FLUORIDATION APPARATUS FOR ATTACHMENT TO A WATER FAUCET, SAID APPARATUS COMPRISING: (A) A HOLLOW OUTER CASING HAVING AN INLET IN ITS UPPER PORTION DESIGNED FOR COUPLING TO SAID WATER FAUCET; (B) AN OUTLET IN THE LOWER PORTION OF SAID OUTER CASING, (C) A HOLLOW INNER CASING DISPOSED WITHIN SAID OUTER CASING; (D) MEANS SUPPORTING SAID INNER CASING IN SPACED RELATIONSHIP FROM SAID OUTER CASING, THE SAPCE BETWEEN SAID INNER CASING AND OUTER CASING DEFINING A CONDUIT FOR WATER FLOW, (E) A CHEMICAL RELEASING SUBSTANCE DISPOSED IN SAID INNER CASING AND HAVING PASSAGES THERETHROUGH; (F) AT LEAST ONE OUTLET AND ONE INLET IN SAID INNER CASING, SAID CHEMICAL RELEASING SUBSTANCE BEING INTERPOSED IN SERIES BETWEEN SAID INLET AND OUTLET OF SAID INNER CASING COFUNCTIONING THEREWITH SUCH THAT THE WATER FLOWING THROUGH SAID INNER CASING MUST REVERSE ITS DIRECTION OF FLOW; (G) MEANS COMMUNICATING BETWEEN SAID OUTLET FROM SAID INNER CASING AND SAID CONDUIT, WHEREBY THE WATER FLOWING THROUGH SAID CHEMICAL RELEASING SUBSTANCE COMBINES WITH THE WATER FLOWING THROUGH SAID CONDUIT TO PASS FROM THE OUTLET OF SAID OUTER CASING.
References Cited (Backward Citations)
US1532809A
Cited
US1681362A
Cited
US1945701A
Cited
US2238969A
Cited
US2304867A
Cited
US2301691A
Cited
US2986340A
Cited
US3018969A
Cited
US3091402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |