US1468547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picture attachment for talking machines
Assignee: Individual
•
Filing: 1921-12-05
•
Granted: 1923-09-18
•
Expires: 1941-12-05
Abstract
No abstract record available.
Inventors
- 👤 Robert A Rummel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/30; G03; G03B; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 0
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References 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) | 1926-09-17 | 1927-03-19 | 1927-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-09-17 | 1931-03-19 | 1931-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-09-17 | 1935-03-19 | 1935-09-18 | $7700.00 | Window Closed / Lapsed |