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US2489061A
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Burning torch compass
Assignee: Individual
•
Filing: 1947-03-19
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Granted: 1949-11-22
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Expires: 1967-03-19
Abstract
No abstract record available.
Inventors
- 👤 Franklin W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:40
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/10; B23K7/105; B23K7/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE653502C
Cited
US1001433A
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US1359155A
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US1351846A
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US2170305A
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US2296480A
Cited
US2323298A
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US2432703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |