US3074824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removing flux residues
Assignee: Alcoa Corp
•
Filing: 1962-03-16
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Granted: 1963-01-22
•
Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Binger
- 👤 Basil M Ponchel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:42
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/12; C23G1/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB627273A
Cited
US2438877A
Cited
US2593448A
Cited
US2748035A
Cited
US2867514A
Cited
US2883311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |