Patent US3035856A successfully refreshed from Google Patents.
US3035856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load leveler adjustable trailer hitch bar
Assignee: Individual
•
Filing: 1960-02-15
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Granted: 1962-05-22
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Alexander E Mleczko
- 👤 Roger A Grimb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:52
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/46; B60D1/465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337521A
Cited
US2072473A
Cited
US2189864A
Cited
US2534971A
Cited
US2917323A
Cited
US2847232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |