US2813710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically supported guide bar for torches and the like
Assignee: JOHN H FERGUSON
•
Filing: 1954-02-04
•
Granted: 1957-11-19
•
Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Richard O Angle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:57
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/10; B23K7/105; Y; Y10; Y10S; Y10S33/00; Y10S33/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE474519C
Cited
US1285554A
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US1856439A
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US1915631A
Cited
GB546009A
Cited
US2323528A
Cited
US2578132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |