Patent US4464689A successfully refreshed from Google Patents.
Patent US2209804A successfully refreshed from Google Patents.
US2209804A
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US
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Tractor
Assignee: AVERY FARM MACHINERY Co
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Filing: 1937-12-02
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Granted: 1940-07-30
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Expires: 1957-12-02
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:46
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/003; B60B35/02; B60B35/10; B60B35/1072; B60B35/12; B60B35/14; B60B2310/00; B60B2310/30; B60B2310/302; B60B2310/305; B60B2360/00; B60B2360/10; B60B2360/102; B60B2360/14; B60B2360/147; B60B2380/00; B60B2380/10; B60B2380/12; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221; Y; Y10; Y10S; Y10S180/00; Y10S180/90; Y10S180/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-30 | 1944-01-29 | 1944-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-30 | 1948-01-29 | 1948-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-30 | 1952-01-29 | 1952-07-30 | $7700.00 | Window Closed / Lapsed |