US2647332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid shovelling device
Assignee: Individual
•
Filing: 1947-07-23
•
Granted: 1953-08-04
•
Expires: 1967-07-23
Abstract
No abstract record available.
Inventors
- 👤 Chimani Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/22; E02F3/24; E02F3/241; B; B65; B65G; B65G65/00; B65G65/02; B65G65/16; B65G65/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL7246C
Cited
FR464796A
Cited
US114395A
Cited
DE589504C
Cited
US1482904A
Cited
US1764084A
Cited
US1858327A
Cited
FR820054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |