Patent US3512366A successfully refreshed from Google Patents.
US3512366A
Expired / Lapsed
US
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Method for forming cast-in-place reinforced concrete pile
Assignee: Individual
•
Filing: 1969-02-14
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Granted: 1970-05-19
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Expires: 1989-02-14
Abstract
No abstract record available.
Inventors
- 👤 Lee A Turzillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:36
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/44; E02; E02D; E02D15/00; E02D15/02; E02D15/04; E02D5/00; E02D5/22; E02D5/24; E02D5/30; E02D5/34; E02D5/36
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |