Patent US2597084A successfully refreshed from Google Patents.
US2597084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding prestressed concrete structures
Assignee: Individual
•
Filing: 1948-01-13
•
Granted: 1952-05-20
•
Expires: 1968-01-13
Abstract
No abstract record available.
Inventors
- 👤 Huddleston Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:49
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/04; B28B23/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T29/49888; Y10T29/53; Y10T29/53796; Y10T29/53896; Y10T29/539
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US772117A
Cited
US1062736A
Cited
US1367289A
Cited
US1584658A
Cited
US1910642A
Cited
US1992511A
Cited
US2185749A
Cited
US2315894A
Cited
US2326010A
Cited
US2329719A
Cited
US2355947A
Cited
US2418580A
Cited
US2470009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |