US2338433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salt bath for heating soldering irons
Assignee: Individual
•
Filing: 1941-09-12
•
Granted: 1944-01-04
•
Expires: 1961-09-12
Abstract
No abstract record available.
Inventors
- 👤 Artemas F Holden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/44; C21D1/46
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) | 1947-01-03 | 1947-07-05 | 1948-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-03 | 1951-07-05 | 1952-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-03 | 1955-07-05 | 1956-01-04 | $7700.00 | Window Closed / Lapsed |