US3272186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged steam generator
Assignee: Foster Wheeler Inc
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Filing: 1964-11-25
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Granted: 1966-09-13
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Expires: 1984-11-25
Abstract
No abstract record available.
Inventors
- 👤 Robert A Lorenzini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:57
CPC Classifications
F; F22; F22B; F22B21/00; F22B21/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
197 words
A STEAM GENERATOR COMPRISING: A MAJOR ENCLOSURE OF STEAM GENERATING TUBES INCLUDING A FLOOR, A MINOR ENCLOSURE OF STEAM GENERATING TUBES, SAID MINOR ENCLOSURE EXTENDING FROM SAID MAJOR ENCLOSURE AND BEING IN A HIGHER PLANE THAN SAID FLOOR OF SAID MAJOR ENCLOSURE, A STEAM DRUM EXTENDING ACROSS THE TOP OF BOTH SAID MAJOR ENCLOSURE AND SAID MINOR ENCLOSURE, SAID STEAM GENERATING TUBES OF BOTH OF SAID ENCLOSURES BEING DIRECTLY CONNECTED TO SAID STEAM DRUM, A WATER DRUM EXTENDING ACROSS THE BOTTOM OF ONLY SAID MAJOR ENCLOSURE, ONLY SAID STEAM GENERATING TUBES OF SAID MAJOR ENCLOSURE BEING DIRECTLY CONNECTED TO SAID WATER DRUM, A LOWER SIDE HEADER LYING DIRECTLY BENEATH SAID MINOR ENCLOSURE AND IN A PLANE ABOVE SAID WATER DRUM, THE STEM GENERATING TUBES OF SAID MINOR ENCLOSURE BEING DIRECTLY CONNECTED TO SAID LOWER SIDE HEADER, A LOWER BURNER-WALL HEADER BEING DIRECTLY CONNECTED TO AND EXTENDING HORIZONTALLY AND PERPENDICULARLY FROM SAID WATER DRUM, THE REMAINING PORTION OF THE STEAM GENERATING TUBES OF SAID MINOR ENCLOSURE BEING DIRECTLY CONNECTED TO SAID LOWER BURNER-WALL HEADER, MEANS FOR CONNECTING SAID LOWER SIDE HEADER TO SAID LOWER BURNER-WALL HEADER, AND, MEANS FOR CONNECTING SAID LOWER SIDE HEADER TO SAID WATER DRUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |