US2776004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire feeding device
Assignee: Carlson Tool and Machine Co
•
Filing: 1950-11-30
•
Granted: 1957-01-01
•
Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 John I Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/28; B21D43/285; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2183; Y10T83/2187; Y10T83/444; Y10T83/4645
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |