Patent US1903952A successfully refreshed from Google Patents.
US1903952A
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US
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Welding rod and process of making the same
Assignee: HAYNES STELLITE Co
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Filing: 1931-02-20
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Granted: 1933-04-18
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Expires: 1951-02-20
Abstract
No abstract record available.
Inventors
- 👤 William A Wissler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:00
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3046
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) | 1936-04-17 | 1936-10-17 | 1937-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-17 | 1940-10-17 | 1941-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-17 | 1944-10-17 | 1945-04-18 | $7700.00 | Window Closed / Lapsed |