US3043032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back-filling blade for a power shovel
Assignee: Individual
•
Filing: 1960-06-30
•
Granted: 1962-07-10
•
Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Discenza Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:05
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/962
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US947964A
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US1023849A
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US1762946A
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US1765892A
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US1923412A
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US2644251A
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US2488695A
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US2555752A
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US2652640A
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US2783558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |