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US2475376A
Expired / Lapsed
US
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Soldering iron
Assignee: A P DRAYTON
•
Filing: 1946-02-28
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Granted: 1949-07-05
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Expires: 1966-02-28
Abstract
No abstract record available.
Inventors
- 👤 Frank L Darling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:39
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1618444A
Cited
US1667618A
Cited
US1541301A
Cited
US1884232A
Cited
US1955967A
Cited
US2147981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |