US3237684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater
Assignee: PATTERSON KELLEY CO
•
Filing: 1964-01-27
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Granted: 1966-03-01
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Lemuel J Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:40
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/02; F22B1/08; F28; F28D; F28D21/00; F28D21/0001; F28D21/0003; F28D21/0005; F28D21/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A WATER STORAGE AND HEATER DEVICE COMPRISING, IN COMBINATION, A TANK HAVING AN ELONGATE TUBULAR SIDE WALL CLOSED AT ONE END AND OPEN AT ITS OTHER END, A HOT WATER WITHDRAWL OUTLET AT SAID ONE END OF THE TANK FOR CONNECTION TO A VARIABLE-DEMAND HOT WATER SYSTEM, A HEATER BONNET DETACHABLY SECURED TO SAID OTHER END OF SAID TANK, SAID HEATER BONNET INCLUDING A TUBULAR SIDE WALL FORMING A CONTINUATION OF SAID TANK AND AN END WALL CLOSING SAID OTHER END OF THE TANK, SAID HEATER BONNET ALSO INCLUDING AN OPENING AT ONE POINT IN ITS SIDE WALL AND A SHROUD HAVING AN EXTERNAL SHROUD PORTION PROJECTING LATERALLY OUTWARDLY FROM SAID OPENING AND AN ARCUATE INTERNAL SHROUD PORTION PROJECTING INWARDLY FROM SAID OPENING, SAID END WALL OF THE BONNET HAVING AN ARCUATE PORTION OPPOSITE SAID ARCUATE INTERNAL SHROUD PORTION COOPERATING THEREWITH TO FORM AN INTERNAL CYLINDRICAL CONTINUATION OF SAID EXTERNAL SHROUD PORTION, SAID INTERNAL SHROUD PORTION TERMINATING IN CLOSELY SPACED RELATION TO THAT PORTION OF SAID WALL OF THE BONNET OPPOSITE SAID OPENING
Claim 2
Dependent Claim
173 words
A WATER STORAGE AND HEATER DEVICE COMPRISING, IN COMBINATION, A TANK HAVING AN ELONGATE TUBULAR SIDE WALL CLOSED AT ONE END AND OPEN AT ITS OTHER END, A HOT WATER WITHDRAWL OUTLET AT SAID ONE END OF THE TANK FOR CONNECTION TO A VARIABLE-DEMAND HOT WATER SYSTEM, A HEATER BONNET DETACHABLY SECURED TO SAID OTHER END OF SAID TANK, SAID HEATER BONNET INCLUDING A TUBULAR SIDE WALL FORMING A CONTINUATION OF SAID TANK AND AN END WALL CLOSING SAID OTHER END OF THE TANK, SAID HEATER BONNET ALSO INCLUDING AN OPENING AT ONE POINT IN ITS SIDE WALL AND A SHROUD HAVING AN EXTERNAL SHROUD PORTION PROJECTING LATERALLY OUTWARDLY FROM SAID OPENING AND AN ARCUATE INTERNAL SHROUD PORTION PROJECTING INWARDLY FROM SAID OPENING, SAID END WALL OF THE BONNET HAVING AN ARCUATE PORTION OPPOSITE SAID ARCUATE INTERNAL SHROUD PORTION COOPERATING THEREWITH TO FORM AN INTERNAL CYLINDRICAL CONTINUATION OF SAID EXTERNAL SHROUD PORTION, SAID INTERNAL SHROUD PORTION TERMINATING IN CLOSELY SPACED RELATION TO THAT PORTION OF SAID WALL OF THE BONNET OPPOSITE SAID OPENING
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |