US2559452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steerable sled
Assignee: Individual
•
Filing: 1946-03-26
•
Granted: 1951-07-03
•
Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Marvin N Mclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:13
CPC Classifications
B; B62; B62B; B62B13/00; B62B13/02; B62B13/06; B62B13/08; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/459
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1790500A
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GB189420655A
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US1135889A
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US1453948A
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US1501271A
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US1546805A
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FR584159A
Cited
US1995681A
Cited
US2140976A
Cited
US2162039A
Cited
US2343662A
Cited
US2439921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |