US2956353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator scraper
Assignee: SOIL MOVER Corp
•
Filing: 1957-11-25
•
Granted: 1960-10-18
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Allen W Hanner
- 👤 Joseph C Kratky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:46
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/656; E02F3/6454; E02F3/6481; E02F3/655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1537558A
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US2181760A
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US2172672A
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US2269502A
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US2458274A
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US2464098A
Cited
US2565850A
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US2495336A
Cited
US2650440A
Cited
US2677202A
Cited
US2795872A
Cited
US2791041A
Cited
US2844892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |