US2794110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and metans for removing metal by electric discharges
Assignee: Rohr Inc
•
Filing: 1955-05-06
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Granted: 1957-05-28
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Charles G Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:42
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20035E
Cited
US1441685A
Cited
GB345941A
Cited
US2319401A
Cited
US2383382A
Cited
US2526423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |