US3336747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam power plant
Assignee: Crane Co
•
Filing: 1965-09-28
•
Granted: 1967-08-22
•
Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Applebaum
- 👤 George J Crits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:40
CPC Classifications
F; F22; F22D; F22D11/00; F22D11/006; B; B01; B01J; B01J39/00; B01J39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN COMBINATION, A STEAM GENERATOR, A TURBINE CONNECTED TO RECEIVE DRIVING STEAM FROM SAID GENERATOR, A CONDENSER CONNECTED TO THE TURBINE TO RECEIVE EXHAUST STEAM THEREFROM, MEANS CONNECTING THE CONDENSER AND BOILER FOR RETURN OF CONDENSATE TO PROVIDE FEEDWATER TO THE BOILER, SAID MEANS INCLUDING A PLURALITY OF HEAT EXCHANGERS ARRANGED IN SERIES WITH RESPECT TO THE RETURN FLOW OF CONDENSATE, MEANS CONNECTING STEAM CHAMBERS OF SAID HEAT EXCHANGERS TO INDIVIDUAL EXTRACTION POINTS
Claim 2
Dependent Claim
73 words
IN COMBINATION, A STEAM GENERATOR, A TURBINE CONNECTED TO RECEIVE DRIVING STEAM FROM SAID GENERATOR, A CONDENSER CONNECTED TO THE TURBINE TO RECEIVE EXHAUST STEAM THEREFROM, MEANS CONNECTING THE CONDENSER AND BOILER FOR RETURN OF CONDENSATE TO PROVIDE FEEDWATER TO THE BOILER, SAID MEANS INCLUDING A PLURALITY OF HEAT EXCHANGERS ARRANGED IN SERIES WITH RESPECT TO THE RETURN FLOW OF CONDENSATE, MEANS CONNECTING STEAM CHAMBERS OF SAID HEAT EXCHANGERS TO INDIVIDUAL EXTRACTION POINTS
References Cited (Backward Citations)
US2373549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |