US2819283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing hydrocarbons
Assignee: Gulf Research and Development Co
•
Filing: 1950-10-30
•
Granted: 1958-01-07
•
Expires: 1970-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles W Montgomery
- 👤 William I Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:51
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/32; C07C1/325; Y; Y10; Y10S; Y10S208/00; Y10S208/95; Y10S585/00; Y10S585/929; Y10S585/943
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PROCESS FOR PRODUCING NORMALLY LIQUID HYDROCARBONS WHICH COMPRISES REACTING IRON CARBIDE WITH A GAS CONSISTING OF STEAM AT A PRESSURE ABOVE ABOUT 100 POUNDS PER SQUARE INCH AND AN ELEVATED TEMPERATURE OF ABOUT 525* TO ABOUT 650*F.
Claim 2
Dependent Claim
38 words
A PROCESS FOR PRODUCING NORMALLY LIQUID HYDROCARBONS WHICH COMPRISES REACTING IRON CARBIDE WITH A GAS CONSISTING OF STEAM AT A PRESSURE ABOVE ABOUT 100 POUNDS PER SQUARE INCH AND AN ELEVATED TEMPERATURE OF ABOUT 525* TO ABOUT 650*F.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |