US3020635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering methods
Assignee: Raytheon Co
•
Filing: 1956-05-31
•
Granted: 1962-02-13
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Harry F Redgrift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:24
CPC Classifications
H; H10; H10W; H10W99/00; B; B23; B23K; B23K1/00; B23K1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA497400A
Cited
US1119781A
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GB400609A
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US2321071A
Cited
US2464821A
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US2507780A
Cited
GB661932A
Cited
US2735050A
Cited
US2897587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |