Patent US2612583A successfully refreshed from Google Patents.
US2612583A
Expired / Lapsed
US
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Arc welding rod and method of producing same
Assignee: Individual
•
Filing: 1946-07-30
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Granted: 1952-09-30
•
Expires: 1966-07-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:34
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/40; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/931; Y10T; Y10T428/00; Y10T428/12; Y10T428/12479; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965; Y10T428/12972; Y10T428/12979
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) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |