US3437017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced concrete road construction
Assignee: Baustahlgewebe GmbH
•
Filing: 1965-08-03
•
Granted: 1969-04-08
•
Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Paul Otto Kurt Walz
- 👤 Andreas Van Schyndel
- 👤 Max Pasberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:47
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/14; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3156169A
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US2015340A
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US1996153A
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US2106095A
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US2080124A
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US2060326A
Cited
US2116697A
Cited
US2309538A
Cited
US2806414A
Cited
US3022713A
Cited
US3045566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |