US2660853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beet topper
Assignee: —
•
Filing: —
•
Granted: 1953-12-01
•
Expires: 1970-12-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:04
CPC Classifications
A; A01; A01D; A01D23/00; A01D23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US25312A
Cited
US951476A
Cited
US999381A
Cited
US1113944A
Cited
US1220977A
Cited
US1366477A
Cited
US1376461A
Cited
US1369721A
Cited
US1831658A
Cited
US2364312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |