Patent US2637586A successfully refreshed from Google Patents.
US2637586A
Expired / Lapsed
US
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Hitch and grill guard attachment for tractors
Assignee: Individual
•
Filing: 1950-05-19
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Granted: 1953-05-05
•
Expires: 1970-05-19
Abstract
No abstract record available.
Inventors
- 👤 Edward N Meyer
- 👤 Harold J Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:35
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/54; B60R; B60R19/00; B60R19/52; Y; Y10; Y10S; Y10S293/00; Y10S293/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399810A
Cited
US2537553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |