US2547872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding torch
Assignee: STACEY BROTHERS GAS CONSTRUCTI
•
Filing: 1948-01-31
•
Granted: 1951-04-03
•
Expires: 1968-01-31
Abstract
No abstract record available.
Inventors
- 👤 Russell P Kissick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:21
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1521361A
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US1618383A
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US2063467A
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US2200887A
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US2204756A
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US2184335A
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US2314628A
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US2376265A
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US2358158A
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US2433018A
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US2468804A
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US2468805A
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US2468807A
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US2468806A
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US2468808A
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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) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |