Patent US3516512A successfully refreshed from Google Patents.
US3516512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile scaffold
Assignee: EISENBAU KARL LADWIG BSB
•
Filing: 1968-03-06
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Granted: 1970-06-23
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Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Manfred Kupke
- 👤 Karl-Heinz Ladwig
- 👤 Peter Ladwig
- 👤 Curt Adolf Manfred
- 👤 Hugo Harry Handschack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:02
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/18; E04G1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2196511A
Cited
US2402579A
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US2787278A
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US2857994A
Cited
US2978062A
Cited
US3016989A
Cited
US2957592A
Cited
FR1255562A
Cited
US3318414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |