US3105406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Practice drum
Assignee: Individual
•
Filing: 1961-05-25
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Granted: 1963-10-01
•
Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Francis J Ippolito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:57
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PRACTICE DRUM COMPRISING A CONTINUOUS CYLINDRICAL RIM INCLUDING A CENTRAL ANNULAR RIDGE AND UPPER AND LOWER RIM PORTIONS ON EITHER SIDE OF SAID ANNULAR RIDGE AND EXTENDING THEREFROM, SAID ANNULAR RIDGE HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID UPPER AND LOWER RIM PORTIONS FORMING A SEAT WITHIN SAID ANNULAR RIDGE, A RIGID CIRCULAR BASE WITHIN SAID RIM AND SECURED WITHIN SAID SEAT, SAID BASE HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID UPPER AND LOWER RIM PORTIONS, AT LEAST ONE PRACTICE PAD OF DISC-LIKE CONFIGURATION POSITIONED ON
Claim 2
Dependent Claim
91 words
A PRACTICE DRUM COMPRISING A CONTINUOUS CYLINDRICAL RIM INCLUDING A CENTRAL ANNULAR RIDGE AND UPPER AND LOWER RIM PORTIONS ON EITHER SIDE OF SAID ANNULAR RIDGE AND EXTENDING THEREFROM, SAID ANNULAR RIDGE HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID UPPER AND LOWER RIM PORTIONS FORMING A SEAT WITHIN SAID ANNULAR RIDGE, A RIGID CIRCULAR BASE WITHIN SAID RIM AND SECURED WITHIN SAID SEAT, SAID BASE HAVING A DIAMETER GREATER THAN THE DIAMETER OF SAID UPPER AND LOWER RIM PORTIONS, AT LEAST ONE PRACTICE PAD OF DISC-LIKE CONFIGURATION POSITIONED ON
References Cited (Backward Citations)
US1653829A
Cited
US2893283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |