US3514842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing process
Assignee: Boeing North American Inc
•
Filing: 1968-01-16
•
Granted: 1970-06-02
•
Expires: 1988-01-16
Abstract
No abstract record available.
Inventors
- 👤 Charles S Beuyukian
- 👤 Mike J Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:44
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; B23K1/0014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2609068A
Cited
US2700632A
Cited
US2614517A
Cited
US2816355A
Cited
US2961760A
Cited
US3091846A
Cited
US3011254A
Cited
US3110961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |