Patent US1497104A successfully refreshed from Google Patents.
US1497104A
Expired / Lapsed
US
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Soldering-iron heating furnace
Assignee: Individual
•
Filing: 1923-07-21
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Granted: 1924-06-10
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Expires: 1943-07-21
Abstract
No abstract record available.
Inventors
- 👤 Erwin H Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:18
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-06-10 | 1927-12-10 | 1928-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-10 | 1931-12-10 | 1932-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-10 | 1935-12-10 | 1936-06-10 | $7700.00 | Window Closed / Lapsed |