US3376859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe lining for a steam generator
Assignee: Sulzer AG
•
Filing: 1966-09-27
•
Granted: 1968-04-09
•
Expires: 1986-09-27
Abstract
No abstract record available.
Inventors
- 👤 Miszak Pawel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:46
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; F22B37/148; F22B29/00; F22B29/06; F22B29/061; F22B29/064; F22B37/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A LINING FOR A STEAM GENERATOR HAVING A COMBUSTION CHAMBER OF FOUR SIDE WALLS AND A FLOOR COMPRISING A FIRST PLURALITY OF PARALLEL PIPES DISPOSED HORIZONTALLY TO FORM TWO OPPOSITE SIDE WALLS OF THE COMBUSTION CHAMBER, A SECOND PLURALITY OF PARALLEL PIPES DISPOSED ANGULARLY TO THE HORIZONTAL IN COMMUNICATION WITH SAID FIRST PLURALITY OF PIPES TO FORM THE REMAINING TWO SIDE WALLS OF THE COMBUSTION CHAMBER, A THIRD PLURALITY OF PARALLEL PIPES DISPOSED IN PARALLEL TO SAID FIRST PLURALITY OF PIPES TO FORM THE FLOOR OF THE COMBUSTION CHAMBER, AND AN INLET MANIFOLD AT OPPOSITE ENDS OF SAID FLOOR, SAID PIPES OF SAID FLOOR BEING ALTERNATELY INTERCONNECTED AT EACH END TO RESPECTIVE ANGULARLY DISPOSED PIPES OF EACH RESPECTIVE ONE OF SAID REMAINING SIDE WALLS AND TO A RESPECTIVE INLET MANIFOLD.
Claim 2
Dependent Claim
130 words
A LINING FOR A STEAM GENERATOR HAVING A COMBUSTION CHAMBER OF FOUR SIDE WALLS AND A FLOOR COMPRISING A FIRST PLURALITY OF PARALLEL PIPES DISPOSED HORIZONTALLY TO FORM TWO OPPOSITE SIDE WALLS OF THE COMBUSTION CHAMBER, A SECOND PLURALITY OF PARALLEL PIPES DISPOSED ANGULARLY TO THE HORIZONTAL IN COMMUNICATION WITH SAID FIRST PLURALITY OF PIPES TO FORM THE REMAINING TWO SIDE WALLS OF THE COMBUSTION CHAMBER, A THIRD PLURALITY OF PARALLEL PIPES DISPOSED IN PARALLEL TO SAID FIRST PLURALITY OF PIPES TO FORM THE FLOOR OF THE COMBUSTION CHAMBER, AND AN INLET MANIFOLD AT OPPOSITE ENDS OF SAID FLOOR, SAID PIPES OF SAID FLOOR BEING ALTERNATELY INTERCONNECTED AT EACH END TO RESPECTIVE ANGULARLY DISPOSED PIPES OF EACH RESPECTIVE ONE OF SAID REMAINING SIDE WALLS AND TO A RESPECTIVE INLET MANIFOLD.
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |