Patent US2628733A successfully refreshed from Google Patents.
US2628733A
Expired / Lapsed
US
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Towing dolly
Assignee: Individual
•
Filing: 1949-10-10
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Granted: 1953-02-17
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Expires: 1969-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jack C Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:59
CPC Classifications
B; B60; B60S; B60S13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316660A
Cited
US1374224A
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US1332388A
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US1435065A
Cited
FR661305A
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FR726877A
Cited
US1941400A
Cited
GB440233A
Cited
DE661995C
Cited
US2254532A
Cited
US2408862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |