Patent US2559452A successfully refreshed from Google Patents.
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
2026-11-08 20:15
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US201556A
Cited
US1790500A
Cited
GB189420655A
Cited
US1135889A
Cited
US1453948A
Cited
US1501271A
Cited
US1546805A
Cited
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 |