Patent US3231726A successfully refreshed from Google Patents.
US723634A
Expired / Lapsed
US
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Electric-soldering-iron stand.
Assignee: Simplex Electric Heating Co
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Filing: 1902-11-13
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Granted: 1903-03-24
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Expires: 1922-11-13
Abstract
No abstract record available.
Inventors
- 👤 James I Ayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:08
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) | 1906-03-23 | 1906-09-22 | 1907-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-03-23 | 1910-09-22 | 1911-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-03-23 | 1914-09-22 | 1915-03-24 | $7700.00 | Window Closed / Lapsed |