US3010257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prestressed girder
Assignee: Individual
•
Filing: 1960-04-20
•
Granted: 1961-11-28
•
Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jacob D Naillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:18
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/10; E01; E01D; E01D2/00; E01D2/02; E01D2101/00; E01D2101/20; E01D2101/24; E01D2101/26; E01D2101/30; E01D2101/32; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |