Patent US2745328A successfully refreshed from Google Patents.
US2745328A
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US
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Hitch attachment structure for carry-type scraper
Assignee: WESTERN EQUIPMENT Manufacturing Co
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Filing: 1949-12-27
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Granted: 1956-05-15
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Expires: 1969-12-27
Abstract
No abstract record available.
Inventors
- 👤 Kirk L Brimhall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7604; E02F3/769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2405980A
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US2386192A
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US2638045A
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US2514091A
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US2453723A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |