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Patent US2503181A successfully refreshed from Google Patents.
US2503181A
Expired / Lapsed
US
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Trussed track tower vehicle
Assignee: Individual
•
Filing: 1948-07-14
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Granted: 1950-04-04
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Expires: 1968-07-14
Abstract
No abstract record available.
Inventors
- 👤 Eddie B Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:34
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07554; Y; Y10; Y10S; Y10S414/00; Y10S414/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1409906A
Cited
US2114157A
Cited
US2264512A
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US2240236A
Cited
US2337109A
Cited
US2375337A
Cited
US2478462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |