US2864289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous dowel bar support
Assignee: UNIVERSAL FORM CLAMP CO
•
Filing: 1954-06-03
•
Granted: 1958-12-16
•
Expires: 1974-06-03
Abstract
No abstract record available.
Inventors
- 👤 Canio Dominick M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:45
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)
US2064705A
Cited
US2133553A
Cited
GB606282A
Cited
US2608142A
Cited
US2627793A
Cited
US2521643A
Cited
US2642789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |