US3066674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speech facilitating attachment for throat tube
Assignee: Individual
•
Filing: 1961-01-09
•
Granted: 1962-12-04
•
Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Robert P Capra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:56
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465; A61M16/0468; A61M16/0488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039142A
Cited
FR1207144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |