Patent US2821428A successfully refreshed from Google Patents.
US2821428A
Expired / Lapsed
US
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Vertically telescoping truck body
Assignee: ROBERT A BURNS
•
Filing: 1955-04-07
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Granted: 1958-01-28
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Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert S Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:16
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/067; B62D33/00; B62D33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1167539A
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GB329088A
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US1964894A
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US1852984A
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US2168062A
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US2168069A
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US2343261A
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US2561921A
Cited
FR967762A
Cited
US2744791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |