US3464216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for forming cast-inplace reinforced concrete pile
Assignee: Individual
•
Filing: 1968-01-08
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Granted: 1969-09-02
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Expires: 1988-01-08
Abstract
No abstract record available.
Inventors
- 👤 Lee A Turzillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:58
CPC Classifications
E; E02; E02D; E02D15/00; E02D15/02; E02D15/04; E02D5/00; E02D5/22; E02D5/34; E02D5/36; E21; E21B; E21B7/00; E21B7/02
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |