US2828142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load transferring vehicle coupling or hitch
Assignee: SENTINEL (SHREWSBURY) Ltd
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Filing: 1955-11-01
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Granted: 1958-03-25
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Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Hamblin Leslie Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/46; B60D1/465; B62; B62D; B62D13/00; B62D53/00; B62D53/04; B62D53/06; B62D53/068; E02F3/6454; E02F3/65; E02F3/652; E02F9/00; E02F9/003
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |