Patent US2696772A successfully refreshed from Google Patents.
US2696772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Running gear with foldable and vertically adjustable wheels
Assignee: Individual
•
Filing: 1951-01-08
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Granted: 1954-12-14
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Expires: 1971-01-08
Abstract
No abstract record available.
Inventors
- 👤 John W Underdown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:00
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1941539A
Cited
US1872121A
Cited
US1923904A
Cited
US2054842A
Cited
US2042598A
Cited
DE708988C
Cited
GB497390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |