US3388927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service connections for truck-semitrailer fifth-wheel couplings
Assignee: Bergische Stahl Industrie
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Filing: 1966-03-22
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Granted: 1968-06-18
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Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Grunberg Karl Friedrich Von
- 👤 Sohnchen Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:42
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/62; B60T; B60T17/00; B60T17/04; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/12; B62D53/125
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |