Patent US2928558A successfully refreshed from Google Patents.
US2928558A
Expired / Lapsed
US
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Machine for tilting and lifting a load
Assignee: Globe Machine Manufacturing Co
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Filing: 1957-04-09
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Granted: 1960-03-15
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 Bamford Calvin
- 👤 Mayo S Prentice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:46
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/06; B66F7/065; B66F7/08; B66F7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1547724A
Cited
US1997916A
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US2480916A
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US2686604A
Cited
US2764869A
Cited
US2846085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |