US938452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing perforated records for automatic piano-players.
Assignee: SAMUEL INSULL
•
Filing: 1907-10-09
•
Granted: 1909-10-26
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Expires: 1927-10-09
Abstract
No abstract record available.
Inventors
- 👤 Henry Price Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/02; H04L17/04; H04L17/08; B; B21; B21D; B21D28/00; B21D28/24; B21D28/246; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4526
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) | 1912-10-25 | 1913-04-26 | 1913-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-10-25 | 1917-04-26 | 1917-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-10-25 | 1921-04-26 | 1921-10-26 | $7700.00 | Window Closed / Lapsed |