US2660323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavating bucket
Assignee: Individual
•
Filing: 1951-06-02
•
Granted: 1953-11-24
•
Expires: 1971-06-02
Abstract
No abstract record available.
Inventors
- 👤 John J Carlesimo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:22
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377333A
Cited
FR25064E
Cited
US1518314A
Cited
US1777439A
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US1783056A
Cited
US2114129A
Cited
US2143171A
Cited
US2261997A
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US2577877A
Cited
US2480384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |