US2652358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater fittings
Assignee: Individual
•
Filing: 1950-06-13
•
Granted: 1953-09-15
•
Expires: 1970-06-13
Abstract
No abstract record available.
Inventors
- 👤 Frank A Mcferran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; F; F24; F24H; F24H9/00; F24H9/12; F24H9/13; F24H9/133; F24H9/40; F24H9/45; F24H9/455
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A WATER HEATER FITTING COMPRISING A TUBULAR BUSHING EXTERNALLY THREADED FOR ENGAGEMENT IN A THREADED HOLE IN A WALL OF A WATER HEATER, SAID BUSING HAVING MEANS AT ITS OUTER END FOR THE ATTACHMENT OF A WATER LINE, AND HAVING REMOVABLY ATTACHED, AT ITS INNER END, A PIPE FOR PASSAGE OF WATER TO SAID FITTINGS, SAID PIPE ADAPTED TO EXTEND TO NEAR THE BOTTOM OF A WATER HEATER TO WHICH SAID FITTING MAY BE SECURED, SAID PIPE TERMINATING AT ITS LOWER END IN A PORTION CONSTITUTING A SHOULDER, AND A TUBE OF SACRIFICIAL METAL SURROUNDING SAID PIPE AND EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH THEREOF, SUPPORTED ON SAID SHOULDER, AND HAVING AN OUTSIDE DIAMETER LESS THAN THE INSIDE DIAMETER OF THE THREADED HOLE IN THE WALL OF SAID WATER HEATER.
Claim 2
Dependent Claim
129 words
A WATER HEATER FITTING COMPRISING A TUBULAR BUSHING EXTERNALLY THREADED FOR ENGAGEMENT IN A THREADED HOLE IN A WALL OF A WATER HEATER, SAID BUSING HAVING MEANS AT ITS OUTER END FOR THE ATTACHMENT OF A WATER LINE, AND HAVING REMOVABLY ATTACHED, AT ITS INNER END, A PIPE FOR PASSAGE OF WATER TO SAID FITTINGS, SAID PIPE ADAPTED TO EXTEND TO NEAR THE BOTTOM OF A WATER HEATER TO WHICH SAID FITTING MAY BE SECURED, SAID PIPE TERMINATING AT ITS LOWER END IN A PORTION CONSTITUTING A SHOULDER, AND A TUBE OF SACRIFICIAL METAL SURROUNDING SAID PIPE AND EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH THEREOF, SUPPORTED ON SAID SHOULDER, AND HAVING AN OUTSIDE DIAMETER LESS THAN THE INSIDE DIAMETER OF THE THREADED HOLE IN THE WALL OF SAID WATER HEATER.
References Cited (Backward Citations)
US1321235A
Cited
US759380A
Cited
US1471784A
Cited
US1608709A
Cited
US2401546A
Cited
US2459123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |