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US2618493A
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Trailer skirt
Assignee: Individual
•
Filing: 1951-02-28
•
Granted: 1952-11-18
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Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Sr John J Fransen
- 👤 Fransen Robert
- 👤 Fransen William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:44
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; Y; Y10; Y10S; Y10S52/00; Y10S52/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US398776A
Cited
US781665A
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US1405485A
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US1417736A
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US1651453A
Cited
US1731439A
Cited
US1801645A
Cited
GB447927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |