Patent US1434682A successfully refreshed from Google Patents.
US1434682A
Expired / Lapsed
US
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Escalating vehicle
Assignee: Individual
•
Filing: 1920-01-30
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Granted: 1922-11-07
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Expires: 1940-01-30
Abstract
No abstract record available.
Inventors
- 👤 Cormack William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:47
CPC Classifications
B; B66; B66B; B66B17/00; B66B17/14; B66B17/26; E; E02; E02F; E02F7/00; E02F7/02; B65; B65G; B65G2812/00; B65G2812/06; B65G2812/0672; B65G2812/0681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1925-11-06 | 1926-05-08 | 1926-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-06 | 1930-05-08 | 1930-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-06 | 1934-05-08 | 1934-11-07 | $7700.00 | Window Closed / Lapsed |