Tambourine
Abstract
Abstract A TAMBOURINE COMPRISING A CYLINDRICAL FRAME HAVING A PLURALITY OF RECESSES FORMED IN THE UPPER SURFACE THEREOF AT A PREDETERMINED INTERVAL, A TIGHTENING RING HAVING A PLURALITY OF PROJECTIONS FORMED ON THE SURFACE CONFRONTING SAID CYLINDRICAL FRAME AT A PREDETERMINED INTERVAL FOR INTERLOCKING ENGAGEMENT WITH SAID RECESSES RESPECTIVELY, A TAMBOURINE SHEET HAVING A PLURALITY OF THROUGH-HOLES FORMED IN THE PERIPHERAL EDGE PORTION AT A PREDETERMINED INTERVAL FOR RECEIVING SAID PROJECTIONS RESPECTIVELY WHEN IT IS CLAMPED BETWEEN SAID CYLINDRICAL FRAME AND SAID TIGHTENING RING AT ITS PERIPHERAL EDGE, AND A TIGHTERNING MEMBER FOR TIGHTENING SAID TIGHTENING RING AROUND SAID CYLINDRICAL FRAME.
Inventors
- 👤 Yoshiyuki Koishikawa
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |