US2677039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering device and its operating system
Assignee: Individual
•
Filing: 1952-05-15
•
Granted: 1954-04-27
•
Expires: 1972-05-15
Abstract
No abstract record available.
Inventors
- 👤 Nelson O Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:38
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/0307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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CH208590A
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US2449521A
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US2577515A
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US2595683A
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US2619576A
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US2623152A
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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) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |