US2930668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position indicator
Assignee: Askania Werke AG
•
Filing: 1956-07-16
•
Granted: 1960-03-29
•
Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Behrmann Herwart
- 👤 Kudritzki Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:27
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; G01C21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575202A
Cited
US1792264A
Cited
US1753781A
Cited
US2255771A
Cited
US2413300A
Cited
US2580427A
Cited
US2521667A
Cited
US2760840A
Cited
US2784397A
Cited
US2862782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |