Patent US2957440A successfully refreshed from Google Patents.
US2957440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electrically heated solder pot
Assignee: OAKLYN SPECIALTY Co
•
Filing: 1957-04-15
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Granted: 1960-10-25
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Schaefer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:48
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/06; B23K3/0646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US480034A
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US1860048A
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US2094795A
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US2271188A
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US2564427A
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US2674397A
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US2780712A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |