US2818127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chassis construction for three wheel power-driven vehicle
Assignee: Individual
•
Filing: 1954-10-07
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Granted: 1957-12-31
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Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:49
CPC Classifications
B; B62; B62D; B62D61/00; B62D61/06; B62D61/08; B62D21/00; B62D21/18; B62D21/186
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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |