Patent US2676029A successfully refreshed from Google Patents.
US2676029A
Expired / Lapsed
US
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Dirigible running gear construction for industrial trailer trucks
Assignee: Individual
•
Filing: 1952-12-24
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Granted: 1954-04-20
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Expires: 1972-12-24
Abstract
No abstract record available.
Inventors
- 👤 William A Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:37
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US724149A
Cited
US1180562A
Cited
US1925712A
Cited
FR836781A
Cited
GB526051A
Cited
US2470496A
Cited
US2650100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |