US2812031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle with inclined hemispheroidal wheels
Assignee: Individual
•
Filing: 1953-06-19
•
Granted: 1957-11-05
•
Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
- 👤 Elic P Aghnides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:11
CPC Classifications
B; B60; B60B; B60B19/00; B60B19/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US594027A
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US1203506A
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US1572531A
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FR604812A
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FR617260A
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DE708005C
Cited
US2207780A
Cited
US2372043A
Cited
US2432107A
Cited
US2350593A
Cited
US2488310A
Cited
US2448222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |