US2730183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor-trailer control connection and anti-slack device therefor
Assignee: MICHAEL J HANNON
•
Filing: 1952-03-24
•
Granted: 1956-01-10
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Expires: 1972-03-24
Abstract
No abstract record available.
Inventors
- 👤 Martin C Svoboda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:11
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/62; B60T; B60T17/00; B60T17/04; B60T17/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |