US2811467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preliminary coating for combustion chamber wall
Assignee: Individual
•
Filing: 1952-01-21
•
Granted: 1957-10-29
•
Expires: 1972-01-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Hull
- 👤 Elizabeth L Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B28/00; C04B28/24; C04B28/26; C04B41/009; C04B41/45; C04B41/50; C04B41/60; C04B41/61; C04B41/65; F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F02K9/346; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y10; Y10S; Y10S60/00; Y10S60/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF INSULATING COMPONENT PARTS OF ALCOHOL FUEL BURNING APPARATUS EXPOSED TO HIGH TEMPERATURE GASES WHICH COMPRISES THE STEPS OF APPLYING A PRECOAT FORMATION CONSISTING ESSENTIALLY OF 38 PERCENT PUMICE STONE, 12 PERCENT STANNIC OXIDE, 2 PERCENT SODIUM HYDROXIDE, 42 PERCENT SODIUM SILICATE AND 6 PERCENT WATER, ON THE SAID COMPONENT PARTS AND INTRODUCING APPROXIMATELY 10 PERCENT ETHYL SILICATE INTO THE FUEL WHEREBY THE SAID ETHYL SILICATE FLUXES WITH THE SAID PRECOAT FORMATION TO FORM SEMIMOLTEN INSULATING COMPOUNDS ON THE SAID COMPONENT PARTS.
Claim 2
Independent Claim
84 words
THE METHOD OF INSULATING COMPONENT PARTS OF ALCOHOL FUEL BURNING APPARATUS EXPOSED TO HIGH TEMPERATURE GASES WHICH COMPRISES THE STEPS OF APPLYING A PRECOAT FORMATION CONSISTING ESSENTIALLY OF 38 PERCENT PUMICE STONE, 12 PERCENT STANNIC OXIDE, 2 PERCENT SODIUM HYDROXIDE, 42 PERCENT SODIUM SILICATE AND 6 PERCENT WATER, ON THE SAID COMPONENT PARTS AND INTRODUCING APPROXIMATELY 10 PERCENT ETHYL SILICATE INTO THE FUEL WHEREBY THE SAID ETHYL SILICATE FLUXES WITH THE SAID PRECOAT FORMATION TO FORM SEMIMOLTEN INSULATING COMPOUNDS ON THE SAID COMPONENT PARTS.
References Cited (Backward Citations)
GB445506A
Cited
US2329632A
Cited
US2348678A
Cited
US2446222A
Cited
US2432109A
Cited
US2529496A
Cited
US2563305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |