US3236019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual anchoring insert for a tilt-up concrete slab or the like
Assignee: Superior Concrete Accessories Inc
•
Filing: 1963-03-05
•
Granted: 1966-02-22
•
Expires: 1983-03-05
Abstract
No abstract record available.
Inventors
- 👤 Harry G Ballou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:54
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/142
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2504313A
Cited
US2794336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |