US2607654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stylus assembly for facsimile recorders
Assignee: Western Union Telegraph Co
•
Filing: 1949-01-15
•
Granted: 1952-08-19
•
Expires: 1969-01-15
Abstract
No abstract record available.
Inventors
- 👤 Garviee H Ridings
- 👤 John H Hackenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
H; H04; H04L; H04L15/00; H04L15/24; H04L15/28; H04L15/30; G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2475785A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |