US2934160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earpiece
Assignee: Individual
•
Filing: 1957-05-06
•
Granted: 1960-04-26
•
Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Touson Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:23
CPC Classifications
A; A61; A61F; A61F11/00; A61F11/06; A61F11/08; A61F11/10; A61F11/085; H; H04; H04R; H04R25/00; H04R25/65; H04R25/652; H04R25/656; H04R2225/00; H04R2225/021; H04R2225/0213
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |