US2863673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch
Assignee: HARSHA HENDERSON AND JOHNSON I
•
Filing: 1956-05-21
•
Granted: 1958-12-09
•
Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Lisota Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:05
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/14; B60S9/16; B60D; B60D1/00; B60D1/24; B60D1/30; B60D1/34; B60D1/345; B60D1/58; B60D1/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1695259A
Cited
US2385253A
Cited
US2453941A
Cited
US2653822A
Cited
US2688496A
Cited
US2643891A
Cited
US2711908A
Cited
US2715034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |