US2805867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient wheel suspension and supporting mechanism for tandem trailer wheels
Assignee: Individual
•
Filing: 1956-11-28
•
Granted: 1957-09-10
•
Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Schramm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:17
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/061; B62D53/062; B62D63/00; B62D63/06; B62D63/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2519002A
Cited
US2614863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |