Patent US2049140A successfully refreshed from Google Patents.
Patent US2740543A successfully refreshed from Google Patents.
US2740543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat trailer
Assignee: Individual
•
Filing: 1951-06-20
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Granted: 1956-04-03
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Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Russel L Mounsdon
- 👤 Harold G Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:46
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2506699A
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US2452267A
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US2442248A
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US2610865A
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US2495449A
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US2487701A
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US2577246A
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US2503535A
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US2608314A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |