US3376211A
Expired / Lapsed
US
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Method and apparatus for performing chemical reactions by means of an electric arc
Assignee: Phillips Petroleum Co
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Filing: 1965-04-19
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Granted: 1968-04-02
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Bjornson Geir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/08; C07C253/12; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C07C2/00; C07C2/76; C07C2/80; H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1201607A
Cited
US3073769A
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US3217056A
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US3168592A
Cited
US3223605A
Cited
US3179733A
Cited
US3318791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |