US3091928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic load device
Assignee: LOSENHAUSENWERK DUSSEIDORFER M
•
Filing: 1961-03-28
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Granted: 1963-06-04
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Thiele Berthold
- 👤 Fey Wilhelm
- 👤 Hendel Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:39
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/32; G01N3/36; G01N2203/00; G01N2203/003; G01N2203/0042; G01N2203/0048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1638653A
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US2211483A
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US2391996A
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US2455837A
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US2389164A
Cited
US2627815A
Cited
US2602294A
Cited
US2945449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |