US2490923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1945-01-20
•
Granted: 1949-12-13
•
Expires: 1965-01-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Sasgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:22
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/08; B25B5/082; B25B5/10; B25B5/101; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319717A
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DE463153C
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US757142A
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US809882A
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US1490063A
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US1506481A
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US1519187A
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US1952453A
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US2255320A
Cited
US2333071A
Cited
US2343699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |