US2040343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for heat-treating wire
Assignee: Individual
•
Filing: 1935-05-17
•
Granted: 1936-05-12
•
Expires: 1955-05-17
Abstract
No abstract record available.
Inventors
- 👤 Simons Abraham
- 👤 Charles D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/38; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/60; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S118/00; Y10S118/22
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) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |