US2584022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface pipe bracing and centering means
Assignee: Individual
•
Filing: 1947-09-04
•
Granted: 1952-01-29
•
Expires: 1967-09-04
Abstract
No abstract record available.
Inventors
- 👤 Albin B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:12
CPC Classifications
E; E21; E21B; E21B19/00; E21D; E21D1/00; E21D1/03; E21D1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US473223A
Cited
US776881A
Cited
US891897A
Cited
US887775A
Cited
US1516830A
Cited
US2021210A
Cited
US2139973A
Cited
US2194124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |