US2458274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrying scraper
Assignee: KAY BRUNNER STEEL PRODUCTS Inc
•
Filing: 1945-06-18
•
Granted: 1949-01-04
•
Expires: 1965-06-18
Abstract
No abstract record available.
Inventors
- 👤 Harald D Kadz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:51
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/657; E02F3/6454; E02F3/6472; E02F3/656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2136102A
Cited
US2204033A
Cited
US2278036A
Cited
US2301158A
Cited
US2368196A
Cited
US2387263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |