Patent US2937537A successfully refreshed from Google Patents.
US2937537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the compaction of soil and dumped materials
Assignee: Dinglerwerke AG
•
Filing: 1956-05-16
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Granted: 1960-05-24
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Expires: 1976-05-16
Abstract
No abstract record available.
Inventors
- 👤 Woll Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/28; E01C19/282; E01C19/286; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064; Y10T74/18344; Y10T74/18544; Y10T74/18552; Y10T74/21; Y10T74/211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB737432A
Cited
US1414000A
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US1650574A
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US1943076A
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US2483318A
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US2547197A
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US2516335A
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US2677995A
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US2700903A
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US2671386A
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US2748609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |