Patent US2714079A successfully refreshed from Google Patents.
US2714079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor degreasing apparatus and method
Assignee: Individual
•
Filing: 1953-07-10
•
Granted: 1955-07-26
•
Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 Francis M Stodgell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:38
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
APPARATUS OF CLEANING THE INTERIOR SURFACES OF AN OPEN-ENDED ELONGATED OBJECT, SAID APPARATUS COMPRISING A BOILER FOR CONTAINING A LIQUID SOLVENT, MEANS FOR HEATING THE BOILER TO VAPORIZE SAID SOLVENT, A VAPOR CONDUIT EXTENDING FROM SAID BOILER INTO ONE OF SAID OBJECT''S OPEN ENDS FOR DIRECTLY INTRODUCING VAPOR INTO AND PROGRESSING IT THROUGH THE OBJECT BY BOILER PRESSURE, AND THERMOSTATIC MEANS OPERABLE IN RESPONSE TO VAPOR HEAT IN SAID OBJECT FOR CONTROLLING SAID BOILER PRESSURE SUFFICIENTLY TO ARREST SAID VAPOR PROGRESS SHORT OF SAID OBJECT''S OTHER OPEN END.
Claim 2
Dependent Claim
88 words
APPARATUS OF CLEANING THE INTERIOR SURFACES OF AN OPEN-ENDED ELONGATED OBJECT, SAID APPARATUS COMPRISING A BOILER FOR CONTAINING A LIQUID SOLVENT, MEANS FOR HEATING THE BOILER TO VAPORIZE SAID SOLVENT, A VAPOR CONDUIT EXTENDING FROM SAID BOILER INTO ONE OF SAID OBJECT''S OPEN ENDS FOR DIRECTLY INTRODUCING VAPOR INTO AND PROGRESSING IT THROUGH THE OBJECT BY BOILER PRESSURE, AND THERMOSTATIC MEANS OPERABLE IN RESPONSE TO VAPOR HEAT IN SAID OBJECT FOR CONTROLLING SAID BOILER PRESSURE SUFFICIENTLY TO ARREST SAID VAPOR PROGRESS SHORT OF SAID OBJECT''S OTHER OPEN END.
References Cited (Backward Citations)
US440963A
Cited
US1679728A
Cited
US1973426A
Cited
US2302522A
Cited
US2318455A
Cited
US2366949A
Cited
US2469040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |