US3404503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor insert and releasable pick-up unit therefor
Assignee: Superior Concrete Accessories Inc
•
Filing: 1966-08-01
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Granted: 1968-10-08
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Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Peter D Courtois
- 👤 George J Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:38
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/142; B; B28; B28B; B28B23/00; B28B23/005; B66; B66C; B66C1/00; B66C1/10; B66C1/62; B66C1/66; B66C1/666; Y; Y10; Y10S; Y10S116/00; Y10S116/14
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |