US3431012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor insert and pickup unit for a concrete slab
Assignee: Superior Concrete Accessories Inc
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Filing: 1967-10-23
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Granted: 1969-03-04
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Peter D Courtois
- 👤 George J Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:51
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/62; B66C1/66; B66C1/666; B28; B28B; B28B23/00; B28B23/005; E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04G; E04G15/00; E04G15/06; E04G15/061; E04G21/00; E04G21/14; E04G21/142
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |