US3438076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural elements for dismountable bridges or the like
Assignee: Beteiligungs und Patentverwaltungs GmbH
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Filing: 1967-03-21
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Granted: 1969-04-15
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Expires: 1987-03-21
Abstract
No abstract record available.
Inventors
- 👤 Hugo Sedlacek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:03
CPC Classifications
E; E01; E01D; E01D15/00; E01D15/12; E01D15/133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US60205A
Cited
US527430A
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US737679A
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US1474513A
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US2024001A
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US3121894A
Cited
US3160900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |