US2522068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transport for power units
Assignee: FRED R HARDESTY
•
Filing: 1947-09-19
•
Granted: 1950-09-12
•
Expires: 1967-09-19
Abstract
No abstract record available.
Inventors
- 👤 Stallard Melvin Berl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:05
CPC Classifications
B; B62; B62D; B62D59/00; B62D59/02; B60; B60P; B60P3/00; B60P3/06; B60P3/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US464246A
Cited
US885822A
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US988121A
Cited
US1419689A
Cited
US1538694A
Cited
US2121245A
Cited
US2168108A
Cited
US2152273A
Cited
US2250070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |