US2620610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transport apparatus for tandem-harrows
Assignee: Harry Ferguson Ltd
•
Filing: 1949-02-21
•
Granted: 1952-12-09
•
Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 John M Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:47
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555143A
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US608167A
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US654180A
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US1025767A
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US1901183A
Cited
US2164550A
Cited
US2398147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |