US2784985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable support for trailer tongues
Assignee: JOHN DEERE VAN BRUNT CO
•
Filing: 1954-04-21
•
Granted: 1957-03-12
•
Expires: 1974-04-21
Abstract
No abstract record available.
Inventors
- 👤 Ernst E Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:09
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/04; B60S9/06; A; A01; A01D; A01D75/00; A01D75/26; A01D75/265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1193052A
Cited
GB283663A
Cited
US2205436A
Cited
CH216612A
Cited
US2634941A
Cited
GB645078A
Cited
US2571390A
Cited
US2627424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |