US2558529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
H-beam composite pile
Assignee: Individual
•
Filing: 1948-12-18
•
Granted: 1951-06-26
•
Expires: 1968-12-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Thornley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:53
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954188A
Cited
US2099664A
Cited
US2168459A
Cited
US2200524A
Cited
US2326155A
Cited
US2430879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |