US3110049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridge floor
Assignee: Reliance Steel Products Co
•
Filing: 1956-03-01
•
Granted: 1963-11-12
•
Expires: 1976-03-01
Abstract
No abstract record available.
Inventors
- 👤 Nagin Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:15
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/12; E01D19/125; E01D2101/00; E01D2101/20; E01D2101/24; E01D2101/26; E01D2101/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US576712A
Cited
US1959836A
Cited
US2017833A
Cited
GB418520A
Cited
US2114773A
Cited
US2190214A
Cited
US2190215A
Cited
US2233054A
Cited
FR928767A
Cited
US2660102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |