Patent US3056700A successfully refreshed from Google Patents.
US3056700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing, with the use of water, soot and like deposits which adhere more or less fixedly to the walls of boiler flues, and apparatus for practising the method
Assignee: Individual
•
Filing: 1959-10-28
•
Granted: 1962-10-02
•
Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Osterlin Hilding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:29
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/0005; F24H9/0042; F23; F23J; F23J3/00; F23J3/02; F28; F28G; F28G1/00; F28G1/16; F28G1/163; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4506; Y10T29/4511
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF REMOVING A DEPOSIT ADHERING TO THE WALL OF A BOILER FLUE COMPRISING DEPOSITING A LIQUID IN MIST FORM ON THE FLUE OF A HOT INOPERTIVE BOILER AND SUDDENLY ELEVATING THE TEMPERATURE WITHIN SAID BOILER TO CAUSE SAID MIST TO EVAPORATE AND TEAR LOOSE THE DEPOSIT FROM THE FLUE WALL.
Claim 2
Independent Claim
52 words
A METHOD OF REMOVING A DEPOSIT ADHERING TO THE WALL OF A BOILER FLUE COMPRISING DEPOSITING A LIQUID IN MIST FORM ON THE FLUE OF A HOT INOPERTIVE BOILER AND SUDDENLY ELEVATING THE TEMPERATURE WITHIN SAID BOILER TO CAUSE SAID MIST TO EVAPORATE AND TEAR LOOSE THE DEPOSIT FROM THE FLUE WALL.
References Cited (Backward Citations)
US1460094A
Cited
US2425134A
Cited
US2591364A
Cited
US2671741A
Cited
US2628204A
Cited
US2762729A
Cited
US2908445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |