US3385181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced concrete pavement
Assignee: ULRICH W STOLL
•
Filing: 1966-01-26
•
Granted: 1968-05-28
•
Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Ulrich W Stoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:09
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/16; E01C11/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533498A
Cited
US865477A
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US1033106A
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US1568012A
Cited
US1984567A
Cited
FR774338A
Cited
US2098714A
Cited
US3110049A
Cited
US3241275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |