Patent US2898620A successfully refreshed from Google Patents.
US2898620A
Expired / Lapsed
US
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Device for cleaning soldering tips
Assignee: Individual
•
Filing: 1957-12-31
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Granted: 1959-08-11
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Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 Edward D Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:30
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190119742A
Cited
US1575733A
Cited
US1770420A
Cited
US1978716A
Cited
US2237761A
Cited
US2453452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |