US3397626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic coated dowel bar for concrete
Assignee: Republic Steel Corp
•
Filing: 1967-03-09
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Granted: 1968-08-20
•
Expires: 1987-03-09
Abstract
No abstract record available.
Inventors
- 👤 John B Kornick
- 👤 Edward A Broestl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:43
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |