US2511892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile recording apparatus with
Assignee: —
•
Filing: —
•
Granted: 1950-06-20
•
Expires: 1967-06-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:53
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/0671; H04N1/0678; H04N1/0607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1545897A
Cited
US1635324A
Cited
DE475763C
Cited
US1746407A
Cited
US2127331A
Cited
US2153917A
Cited
US2223913A
Cited
US2229098A
Cited
US2312317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |