Patent US1550660A successfully refreshed from Google Patents.
US2728463A
Expired / Lapsed
US
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Combined truck and crane
Assignee: Koehring Co
•
Filing: 1948-04-12
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Granted: 1955-12-27
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Expires: 1968-04-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Beckwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:12
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/28; B60K; B60K5/00; B60K5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2155434A
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US2110753A
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US2383172A
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US2421139A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |