US3133182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot water heater
Assignee: Individual
•
Filing: 1961-11-29
•
Granted: 1964-05-12
•
Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Christopher R Landmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:03
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A SYSTEM FOR HEATING WATER AND CONTROLLING THE TEMPERATURE THEREOF COMPRISING A FAUCET MEANS THROUGH WHICH WATER MAY FLOW, A CONDUIT CONNECTED TO SAID FAUCET MEANS, A TRANSFORMER HAVING A PRIMARY CIRCUIT A PART OF SAID CONDUIT BEING FORMED INTO A PLURALITY OF TURNS AND FORMING THE SECONDARY OF SAID TRANSFORMER, SAID SECONDARY OF SAID TRANSFORMER BEING SHORTED ACROSS ITS OUTPUT TERMINALS, SAID TRANSFORMER HAVING A MAGNETIC CORE MEANS PASSING THROUGH SAID PRIMARY AND SECONDARY OF SAID TRANSFORMER, SAID MAGNETIC CORE HAVING AN AIR GAP THEREIN, TEMPERATURE CONTROL MEANS TO CONTROL THE WIDTH OF SAID AIR GAP, AND SWITCHING MEANS TO ENERGIZE SAID TRANSFORMER, AND COUPLING MEANS COUPLED TO SAID FAUCET MEANS, SAID CONTROL MEANS AND SWITCHING MEANS TO SWITCH SAID SWITCHING MEANS WHEN SAID FAUCET MEANS IS ON AND WHEN SAID CONTROL MEANS IS AT A POSITION AT WHICH THE AIR GAP IS NOT FULLY CLOSED, WHEREBY THE TEMPRETURE OF THE WATER IN SAID CONDUIT IS CONTROLLED AND SWITCHING OCCURS WHEN THE MAGNECTIC FLUX IS NOT AT A MAXIMUM.
Claim 2
Independent Claim
170 words
A SYSTEM FOR HEATING WATER AND CONTROLLING THE TEMPERATURE THEREOF COMPRISING A FAUCET MEANS THROUGH WHICH WATER MAY FLOW, A CONDUIT CONNECTED TO SAID FAUCET MEANS, A TRANSFORMER HAVING A PRIMARY CIRCUIT A PART OF SAID CONDUIT BEING FORMED INTO A PLURALITY OF TURNS AND FORMING THE SECONDARY OF SAID TRANSFORMER, SAID SECONDARY OF SAID TRANSFORMER BEING SHORTED ACROSS ITS OUTPUT TERMINALS, SAID TRANSFORMER HAVING A MAGNETIC CORE MEANS PASSING THROUGH SAID PRIMARY AND SECONDARY OF SAID TRANSFORMER, SAID MAGNETIC CORE HAVING AN AIR GAP THEREIN, TEMPERATURE CONTROL MEANS TO CONTROL THE WIDTH OF SAID AIR GAP, AND SWITCHING MEANS TO ENERGIZE SAID TRANSFORMER, AND COUPLING MEANS COUPLED TO SAID FAUCET MEANS, SAID CONTROL MEANS AND SWITCHING MEANS TO SWITCH SAID SWITCHING MEANS WHEN SAID FAUCET MEANS IS ON AND WHEN SAID CONTROL MEANS IS AT A POSITION AT WHICH THE AIR GAP IS NOT FULLY CLOSED, WHEREBY THE TEMPRETURE OF THE WATER IN SAID CONDUIT IS CONTROLLED AND SWITCHING OCCURS WHEN THE MAGNECTIC FLUX IS NOT AT A MAXIMUM.
References Cited (Backward Citations)
US381815A
Cited
US400515A
Cited
US570077A
Cited
US891657A
Cited
US1378151A
Cited
US1458634A
Cited
US1962842A
Cited
US2616022A
Cited
FR1094408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |