US3267909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heating apparatus
Assignee: ACE TANK AND HEATER CO
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Filing: 1964-04-20
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Granted: 1966-08-23
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Mcclanahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/22; F24H1/40; F24H1/43; F24H1/10; F24H1/12; F24H1/14; F24H1/16; F24H1/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
WATER HEATING APPARATUS FOR USE IN CONJUNCTION WITH A SWIMMING POOL OR THE LIKE COMPRISING A HOUSING OF SUBSTANTIALLY CYLINDRICAL FORM, A BURNER POSITIONED AT THE BASE OF SAID HOUSING, A FLUE AT THE TOP OF SAID HOUSING, AND A WATER TUBE MEMBER ARRANGED IN A VERTICALLY DISPOSED HOURGLASS CONFIGURATION BETWEEN THE BURNER AND THE FLUE WITH THE TOP AND BOTTOM PORTIONS OF SAID HOURGLASS CONFIGURATION ADJACENT THE HOUSING TO BLOCK THE PASSAGE OF COMBUSTION GASES THEREBY AND HAVING A BAFFLE MEMBER POSITIONED ACROSS THE NARROW PORTION OF THE HOURGLASS CONFIGURATION, SAID WATER TUBE MEMBER INCLUDING CONCENTRIC PORTIONS FOR THE BIDIRECTIONAL CONDUCTION OF WATER THEREIN AND HAVING A BLOCKING MEMBER TERMINATING THE LOWER END OF THE WATER TUBE MEMBER IN A MANNER SUCH AS TO PERMIT THE REVERSAL OF WATER FLOW THEREAT WITHIN THE WATER TUBE MEMBER AND FURTHER HAVING A COUPLING MEMBER CONNECTED TO THE UPPER END THEREOF FOR ADMITTING WATER TO FLOW INTO
Claim 2
Dependent Claim
155 words
WATER HEATING APPARATUS FOR USE IN CONJUNCTION WITH A SWIMMING POOL OR THE LIKE COMPRISING A HOUSING OF SUBSTANTIALLY CYLINDRICAL FORM, A BURNER POSITIONED AT THE BASE OF SAID HOUSING, A FLUE AT THE TOP OF SAID HOUSING, AND A WATER TUBE MEMBER ARRANGED IN A VERTICALLY DISPOSED HOURGLASS CONFIGURATION BETWEEN THE BURNER AND THE FLUE WITH THE TOP AND BOTTOM PORTIONS OF SAID HOURGLASS CONFIGURATION ADJACENT THE HOUSING TO BLOCK THE PASSAGE OF COMBUSTION GASES THEREBY AND HAVING A BAFFLE MEMBER POSITIONED ACROSS THE NARROW PORTION OF THE HOURGLASS CONFIGURATION, SAID WATER TUBE MEMBER INCLUDING CONCENTRIC PORTIONS FOR THE BIDIRECTIONAL CONDUCTION OF WATER THEREIN AND HAVING A BLOCKING MEMBER TERMINATING THE LOWER END OF THE WATER TUBE MEMBER IN A MANNER SUCH AS TO PERMIT THE REVERSAL OF WATER FLOW THEREAT WITHIN THE WATER TUBE MEMBER AND FURTHER HAVING A COUPLING MEMBER CONNECTED TO THE UPPER END THEREOF FOR ADMITTING WATER TO FLOW INTO
References Cited (Backward Citations)
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US2474401A
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |