Patent US3337277A successfully refreshed from Google Patents.
US3337277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fifth wheel coupling for land vehicles
Assignee: Beazer East Inc
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Filing: 1965-10-23
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Granted: 1967-08-22
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Walter C Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:40
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0842
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2944831A
Cited
US3001837A
Cited
US3056637A
Cited
FR1351305A
Cited
US3174812A
Cited
US3283358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |