Patent US3246115A successfully refreshed from Google Patents.
US3246115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc compounded combustion and flame arrangement
Assignee: Giannini Scientific Corp
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Filing: 1963-06-03
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Granted: 1966-04-12
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Expires: 1983-06-03
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
B; B23; B23K; B23K10/00
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |