Patent US3234734A successfully refreshed from Google Patents.
US3234734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power generation
Assignee: Monsanto Co
•
Filing: 1962-06-25
•
Granted: 1966-02-15
•
Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 John R Buss
- 👤 Mcewen Malcolm
- 👤 Raymond E Doerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:22
CPC Classifications
F; F01; F01K; F01K21/00; F01K21/005; F01K25/00; F01K25/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD FOR CONVERTING HEAT INTO WORK BY EMPLOYING A WORKING FLUID CHARACTERIZED BY SUPERHEATING UPON EXPANSION IN THE VAPOR STATE, WHICH COMPRISES EXPANDING IN AN EXPANSION ENGINE THE SAID FLUID IN AT LEAST PARTLY LIQUID FORM TO A CONDITION OF DECREASED LIQUID CONTENT TO PERFORM USEFUL WORK.
Claim 2
Independent Claim
48 words
A METHOD FOR CONVERTING HEAT INTO WORK BY EMPLOYING A WORKING FLUID CHARACTERIZED BY SUPERHEATING UPON EXPANSION IN THE VAPOR STATE, WHICH COMPRISES EXPANDING IN AN EXPANSION ENGINE THE SAID FLUID IN AT LEAST PARTLY LIQUID FORM TO A CONDITION OF DECREASED LIQUID CONTENT TO PERFORM USEFUL WORK.
References Cited (Backward Citations)
US1625263A
Cited
GB280926A
Cited
US1961784A
Cited
US1961785A
Cited
US2301404A
Cited
US2857133A
Cited
US3040528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |