Patent US2755573A successfully refreshed from Google Patents.
US2755573A
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US
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Crane attachment
Assignee: SCHIELD BANTAM Co
•
Filing: 1951-03-05
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Granted: 1956-07-24
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Expires: 1971-03-05
Abstract
No abstract record available.
Inventors
- 👤 Harold V Bannister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:52
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F5/00; E02F5/22; E02F5/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US898593A
Cited
US1561694A
Cited
US1693809A
Cited
US1769269A
Cited
US1765892A
Cited
US1819590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |