Patent US3483107A successfully refreshed from Google Patents.
US3483107A
Expired / Lapsed
US
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Method for improving the performance of radio frequency plasma jets and the production of acetylene
Assignee: Hercules LLC
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Filing: 1966-12-05
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Granted: 1969-12-09
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Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Robert J Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:44
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/46; B; B01; B01J; B01J12/00; B01J12/002; C; C07; C07C; C07C2/00; C07C2/76; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32082; H01J37/321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |