US3288208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-heating and de-aeration system for boiler feed water
Assignee: Individual
•
Filing: 1965-01-28
•
Granted: 1966-11-29
•
Expires: 1985-01-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Blackmore
- 👤 Perry G Glunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:58
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A FEED WATER PRE-HEATING AND DE-AERATION SYSTEM FOR THAT TYPE OF BOILER IN WHICH WATER IS MAINTAINED AT GREATER THAN ATMOSPHERIC PRESSURE, COMPRISING MEANS FOR HERMETICALLY STORING WATER UNDER PRESSURE, MEANS AT SUCH STORAGE MEANS TO HEAT SUCH WATER ABOVE ITS ATMOSPHERIC BOILING POINT TEMPERATURE, MEANS AT SAID STORAGE MEANS AND CONNECTABLE TO SUCH BOILER FOR APPLYING THE PRESSURE OF SUCH BOILER TO SUCH HEATED WATER, WHEREBY TO MAINTAIN THE WATER IN ITS LIQUID PHASE, MEANS AT SAID STORAGE MEANS FOR INTRODUCING ADDITIONAL WATER INTO SAID STORAGE MEANS ONE DEMAND AND PROPELLING THE WATER, SO PRESSURIZED AND AT EACH TEMPERATURE, TO SUCH BOILER, AND MEANS TO CONDUCT THE WATER, SO PROPELLED, IN A VORTEX SIMULTANEOUSLY TO REMOVE ENTRAPPED AIR FROM THE CENTER OF THE VORTEX,
Claim 2
Dependent Claim
125 words
A FEED WATER PRE-HEATING AND DE-AERATION SYSTEM FOR THAT TYPE OF BOILER IN WHICH WATER IS MAINTAINED AT GREATER THAN ATMOSPHERIC PRESSURE, COMPRISING MEANS FOR HERMETICALLY STORING WATER UNDER PRESSURE, MEANS AT SUCH STORAGE MEANS TO HEAT SUCH WATER ABOVE ITS ATMOSPHERIC BOILING POINT TEMPERATURE, MEANS AT SAID STORAGE MEANS AND CONNECTABLE TO SUCH BOILER FOR APPLYING THE PRESSURE OF SUCH BOILER TO SUCH HEATED WATER, WHEREBY TO MAINTAIN THE WATER IN ITS LIQUID PHASE, MEANS AT SAID STORAGE MEANS FOR INTRODUCING ADDITIONAL WATER INTO SAID STORAGE MEANS ONE DEMAND AND PROPELLING THE WATER, SO PRESSURIZED AND AT EACH TEMPERATURE, TO SUCH BOILER, AND MEANS TO CONDUCT THE WATER, SO PROPELLED, IN A VORTEX SIMULTANEOUSLY TO REMOVE ENTRAPPED AIR FROM THE CENTER OF THE VORTEX,
References Cited (Backward Citations)
US823373A
Cited
US3151961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |