Patent US2552176A successfully refreshed from Google Patents.
US2552176A
Expired / Lapsed
US
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Electrode for cutting and welding under water
Assignee: Gebrueder Boehler and Co AG
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Filing: 1948-02-27
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Granted: 1951-05-08
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Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Hummitzsch Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:53
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0272; B23K35/0211; B23K35/0216; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12083; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/12132; Y10T428/12493; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324227A
Cited
US1321309A
Cited
US1501266A
Cited
US1451392A
Cited
US1898933A
Cited
GB409293A
Cited
GB417195A
Cited
US1972067A
Cited
US2000861A
Cited
GB459715A
Cited
US2141995A
Cited
US2141996A
Cited
GB534744A
Cited
US2394550A
Cited
US2410461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |