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US3005452A
Expired / Lapsed
US
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Nasolaryngoscope
Assignee: Individual
•
Filing: 1957-12-23
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Granted: 1961-10-24
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Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Louis K Pitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:08
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/267; A61B1/00163; A61B1/00174; A61B1/00177; A61B1/002; A61B1/06; A61B1/0615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1680491A
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US894306A
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US939034A
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US1021809A
Cited
US1509041A
Cited
DE709732C
Cited
US2479237A
Cited
US2588288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |