US3439764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power caster for moving trailers
Assignee: KIMBALL AND STARK Inc
•
Filing: 1967-07-03
•
Granted: 1969-04-22
•
Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Howard M Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:57
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/66; B60D1/665; B60D1/24; B60D1/246; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62D53/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1740404A
Cited
US2491824A
Cited
US2725946A
Cited
US2812951A
Cited
US3156315A
Cited
US3183013A
Cited
US3356172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |