US2387330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon feeding mechanism for stenographic machines
Assignee: Stenographic Machines Inc
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Filing: 1942-05-18
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Granted: 1945-10-23
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Expires: 1962-05-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Johnson
- 👤 John G Sterling
- 👤 Milton H Wright
- 👤 Robert T Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:20
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/62; B41J3/00; B41J3/26
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) | 1948-10-22 | 1949-04-23 | 1949-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-22 | 1953-04-23 | 1953-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-22 | 1957-04-23 | 1957-10-23 | $7700.00 | Window Closed / Lapsed |