US3038392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pavement construction
Assignee: —
•
Filing: —
•
Granted: 1962-06-12
•
Expires: 1979-06-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
E; E01; E01C; E01C5/00; E01C5/22; E01C5/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US188357A
Cited
GB198066A
Cited
GB205647A
Cited
US1463979A
Cited
US1562291A
Cited
US1775278A
Cited
GB409793A
Cited
US2050313A
Cited
US2199938A
Cited
US2336235A
Cited
US2457512A
Cited
US2737693A
Cited
GB734106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |