US2772878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for advancing tape records in telegraph apparatus
Assignee: Siemens and Halske AG
•
Filing: 1952-10-09
•
Granted: 1956-12-04
•
Expires: 1972-10-09
Abstract
No abstract record available.
Inventors
- 👤 Wusteney Herbert
- 👤 Bauder Josef
- 👤 Stabenau Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/06; G; G03; G03B; G03B1/00; G03B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2277134A
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US2389929A
Cited
US2404339A
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US2398733A
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US2643114A
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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) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |