US2759616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grab loader
Assignee: Individual
•
Filing: 1951-03-07
•
Granted: 1956-08-21
•
Expires: 1971-03-07
Abstract
No abstract record available.
Inventors
- 👤 Weyhausen Hinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:12
CPC Classifications
A; A01; A01D; A01D87/00; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/413; E02F3/4135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533740A
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US796682A
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US1337400A
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US2019938A
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US2109304A
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US2521832A
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US2488767A
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US2474374A
Cited
US2528588A
Cited
US2517813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |