US2447110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering iron
Assignee: Individual
•
Filing: 1944-05-15
•
Granted: 1948-08-17
•
Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Frank C Bitzenburger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:38
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/06; B23K3/0607; B23K3/0615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR13928E
Cited
FR398543A
Cited
US1127970A
Cited
US1232734A
Cited
US1277793A
Cited
FR577204A
Cited
US1691052A
Cited
US1957325A
Cited
US2175100A
Cited
US2274413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |