Patent US2608313A successfully refreshed from Google Patents.
US2608313A
Expired / Lapsed
US
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Four-wheeled dolly for transporting tractor units
Assignee: Manufacturers and Traders Trust Co
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Filing: 1950-12-18
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Granted: 1952-08-26
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Expires: 1970-12-18
Abstract
No abstract record available.
Inventors
- 👤 Frank C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:19
CPC Classifications
B; B60; B60S; B60S5/00; Y; Y10; Y10S; Y10S414/00; Y10S414/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1186876A
Cited
US1419160A
Cited
US1801707A
Cited
DE614572C
Cited
US2169446A
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US2355341A
Cited
US2468884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |