US3260024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prestressed girder
Assignee: Individual
•
Filing: 1963-12-27
•
Granted: 1966-07-12
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Greulich Gerald Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:16
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/293; E04C3/294; H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/282; H01B7/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A GIRDER COMPRISING A PREFABRICATED PRESTRESSED CONCRETE TOP CHORD INCLUDING METAL GUSSET PLATE MEANS EMBEDDED THEREIN AND PROJECTING DOWNWARD THEREFROM, A TOP AND BOTTOM CHORDS, AND MEANS RIGIDLY SECURING THE PREFABRICATED PRETENSIONED METAL BOTTOM CHORD SPACED FROM THE TOP CHORD, A METAL WEB DISPOSED BETWEEN THE
Claim 2
Dependent Claim
46 words
A GIRDER COMPRISING A PREFABRICATED PRESTRESSED CONCRETE TOP CHORD INCLUDING METAL GUSSET PLATE MEANS EMBEDDED THEREIN AND PROJECTING DOWNWARD THEREFROM, A TOP AND BOTTOM CHORDS, AND MEANS RIGIDLY SECURING THE PREFABRICATED PRETENSIONED METAL BOTTOM CHORD SPACED FROM THE TOP CHORD, A METAL WEB DISPOSED BETWEEN THE
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |