US3207358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water storage tanks and methods of making the same
Assignee: General Electric Co
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Filing: 1961-07-27
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Granted: 1965-09-21
•
Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Carl T Fliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:08
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/18; F24H1/181; F24H1/183; B; B05; B05D; B05D7/00; B05D7/22; B05D7/227; B05D2451/00; B05D2504/00; B05D3/00; B05D3/02; B05D3/0218; B05D3/0254; Y; Y10; Y10S; Y10S220/00; Y10S220/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A WATER HEATER INCLUDING A WATER STORAGE TANK PROVIDED WITH WATER INLET AND OUTLET CONNECTIONS AND A WATER HEATING ELEMENT; SAID STORAGE TANK COMPRISING A HOLLOW BODY FORMED OF STEEL AND INCLUDING A TUBULAR SIDE WALL AND A PAIR OF OPPOSED END WALLS, AND A LINER CARRIED BY THE INTERIOR SURFACES OF SAID SIDE WALL AND SAID END WALLS, SAID LINER INCLUDING AN INNER LAYER COVERING THE ENTIRE INTERIOR SURFACES OF SAID WALLS AND INTIMATELY BONDED THERETO THROUGHOUT THE CONTACTING SURFACES THEREOF AND AN OUTER LAYER COVERING THE ENTIRE ADJACENT SURFACES OF SAID INNER LAYER AND INTIMATELY PONDED THERETO THROUGHOUT THE CONTACTING SURFACES THEREOF, SAID INNER LAYER BEING FORMED OF AN EPOXY RESIN HAVING SUPERIOR PROPERTIES OF ADHESION TO STEEL AND TO SAID OUTER LAYER AND HAVING A SOFTENING POINT ABOVE 200*F., SAID OUTER LAYER BEING FORMED OF A THERMOPLASTIC CHLORINATED POLYETHER RESIN HAVING A LOW WATER ABSORPTIVITY NOT GREATER THAN ABOUT 0.01% THEREOF BY WEIGHT AND HAVING A SOFTENING POINT ABOVE 200*F.
Claim 2
Dependent Claim
163 words
A WATER HEATER INCLUDING A WATER STORAGE TANK PROVIDED WITH WATER INLET AND OUTLET CONNECTIONS AND A WATER HEATING ELEMENT; SAID STORAGE TANK COMPRISING A HOLLOW BODY FORMED OF STEEL AND INCLUDING A TUBULAR SIDE WALL AND A PAIR OF OPPOSED END WALLS, AND A LINER CARRIED BY THE INTERIOR SURFACES OF SAID SIDE WALL AND SAID END WALLS, SAID LINER INCLUDING AN INNER LAYER COVERING THE ENTIRE INTERIOR SURFACES OF SAID WALLS AND INTIMATELY BONDED THERETO THROUGHOUT THE CONTACTING SURFACES THEREOF AND AN OUTER LAYER COVERING THE ENTIRE ADJACENT SURFACES OF SAID INNER LAYER AND INTIMATELY PONDED THERETO THROUGHOUT THE CONTACTING SURFACES THEREOF, SAID INNER LAYER BEING FORMED OF AN EPOXY RESIN HAVING SUPERIOR PROPERTIES OF ADHESION TO STEEL AND TO SAID OUTER LAYER AND HAVING A SOFTENING POINT ABOVE 200*F., SAID OUTER LAYER BEING FORMED OF A THERMOPLASTIC CHLORINATED POLYETHER RESIN HAVING A LOW WATER ABSORPTIVITY NOT GREATER THAN ABOUT 0.01% THEREOF BY WEIGHT AND HAVING A SOFTENING POINT ABOVE 200*F.
References Cited (Backward Citations)
GB579442A
Cited
US2994951A
Cited
GB721092A
Cited
US2802897A
Cited
US2722340A
Cited
US2884693A
Cited
US2992939A
Cited
US2957784A
Cited
US3008848A
Cited
US3057746A
Cited
US3089783A
Cited
US3075343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |