US3509317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indirect radiant heat soldering apparatus
Assignee: Boeing North American Inc
•
Filing: 1967-08-01
•
Granted: 1970-04-28
•
Expires: 1987-08-01
Abstract
No abstract record available.
Inventors
- 👤 Christopher Valsamakis
- 👤 Donald E Reinhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3494; B; B23; B23K; B23K1/00; B23K1/005; H05K2203/00; H05K2203/30; H05K2203/304; H05K3/341; H05K3/3421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954128A
Cited
DE752400C
Cited
US3079913A
Cited
US3098922A
Cited
US3172999A
Cited
US3283124A
Cited
US3374531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |