US2942426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split-end bearing pile
Assignee: Individual
•
Filing: 1954-06-04
•
Granted: 1960-06-28
•
Expires: 1974-06-04
Abstract
No abstract record available.
Inventors
- 👤 Ulrich W Stoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:23
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/54; E02D5/72; E02D7/00; E02D7/28; E02D7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1035893A
Cited
US1224925A
Cited
US1413503A
Cited
US1600020A
Cited
US2465557A
Cited
US2588712A
Cited
DE896328C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |