Patent US2764862A successfully refreshed from Google Patents.
US2764862A
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Multiple welding tools
Assignee: Individual
•
Filing: 1953-01-09
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Granted: 1956-10-02
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Expires: 1973-01-09
Abstract
No abstract record available.
Inventors
- 👤 Pickering Dorothy Frances
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:35
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B65B51/30; B65B51/303; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/03; B29C66/032; B29C66/0322; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/70; B29C66/73; B29C66/737; B29C66/7373; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C66/84; B29C66/843; B29C66/8432; B29C66/849; B29C66/8491; B29C65/04; B29C65/38; B29C66/71; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91441; B29C66/91443; B29C66/91445; B29L; B29L2023/00; B29L2023/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1242562A
Cited
US1481866A
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US2134862A
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US2145941A
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US2430995A
Cited
US2530400A
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US2414157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |