US2589948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log or pipe transporter
Assignee: Individual
•
Filing: 1948-12-16
•
Granted: 1952-03-18
•
Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Marshall Henry Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/40; B60P3/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614769A
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US1973030A
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GB470114A
Cited
US2288246A
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US2365884A
Cited
US2360619A
Cited
US2399304A
Cited
US2428144A
Cited
US2452938A
Cited
US2528672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |