Patent US2943721A successfully refreshed from Google Patents.
US2943721A
Expired / Lapsed
US
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Platen arrangements for teleprinters and the like
Assignee: Creed and Co Ltd
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Filing: 1958-09-19
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Granted: 1960-07-05
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Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Salmon Reginald Dennis
- 👤 Tedham Leslie Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:02
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/06; B; B41; B41J; B41J11/00; B41J11/26; B41J11/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |