Patent US2804076A successfully refreshed from Google Patents.
US2804076A
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US
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Surgical device for patients undergoing a laryngotomy
Assignee: Individual
•
Filing: 1956-10-01
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Granted: 1957-08-27
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Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Giraudon Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:59
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465; A61M16/0468; A61F; A61F2/00; A61F2/02; A61F2/20; A61F2/203
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1835757A
Cited
US2039142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |