US2879685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical squeeze blocks
Assignee: Individual
•
Filing: 1955-05-31
•
Granted: 1959-03-31
•
Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Page Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:14
CPC Classifications
G; G09; G09B; G09B15/00; G10; G10G; G10G7/00; G10G7/02; Y; Y10; Y10S; Y10S84/00; Y10S84/07
Claims Analysis
Total Claims: 0
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |