US3469081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tachometric computer
Assignee: Rheinmetall Air Defence AG
•
Filing: 1964-08-19
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Granted: 1969-09-23
•
Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Max Lattmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:07
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/08; G; G06; G06G; G06G7/00; G06G7/12; G06G7/30; G06G7/48; G06G7/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3021062A
Cited
US3064169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |