US3365220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for coupled pile driving mandrel
Assignee: MILLGARD Corp A CORP OF MICH
•
Filing: 1965-10-21
•
Granted: 1968-01-23
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Rusche Fredric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:17
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/28; E02D7/30; E02D5/00; E02D5/22; E02D5/52; E02D5/523; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/70; Y10T403/7047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US456756A
Cited
GB191517310A
Cited
US2075483A
Cited
GB668607A
Cited
US2790632A
Cited
US2819880A
Cited
US2996887A
Cited
US3198555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |