US2933363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the evaluation of tachometer diagrams
Assignee: Digital Kienzle Computersysteme GmbH and Co KG
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Filing: 1955-02-04
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Granted: 1960-04-19
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Expires: 1975-02-04
Abstract
No abstract record available.
Inventors
- 👤 Riegger Paul
- 👤 Vogtlin Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/12; G01P1/122; G01P1/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR847472A
Cited
US644743A
Cited
US814071A
Cited
GB190909804A
Cited
US1061121A
Cited
US1198953A
Cited
US1277359A
Cited
US2244653A
Cited
US2464612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |