US2497077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Talon Inc
•
Filing: 1945-12-22
•
Granted: 1950-02-14
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Firing Osborne
- 👤 Leonard M Dorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:16
CPC Classifications
D; D03; D03D; D03D35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US64573A
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US96564A
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US342060A
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US700613A
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US1164137A
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US1296024A
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US1337259A
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FR593707A
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US2089620A
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US2180831A
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US2180832A
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US2247760A
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US2258538A
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US2356964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |