US2822937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuttle car mechanism
Assignee: Individual
•
Filing: 1956-04-10
•
Granted: 1958-02-11
•
Expires: 1976-04-10
Abstract
No abstract record available.
Inventors
- 👤 Fox Herbert Clyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:33
CPC Classifications
E; E01; E01B; E01B27/00; E01B27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US692118A
Cited
US1014197A
Cited
US1009072A
Cited
US1108627A
Cited
US1563685A
Cited
US2149710A
Cited
US2179913A
Cited
US2546030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |