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Patent US2537610A successfully refreshed from Google Patents.
US2537610A
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US
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Automatic phasing in facsimile systems
Assignee: Pierce Co
•
Filing: 1947-01-15
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Granted: 1951-01-09
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Expires: 1967-01-15
Abstract
No abstract record available.
Inventors
- 👤 Philip E Volz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:46
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/32; H04N1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2150239A
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US2230820A
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US2246284A
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US2309622A
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US2399421A
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US2350008A
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US2383360A
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US2428946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |