US2457968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pacing system
Assignee: —
•
Filing: —
•
Granted: 1949-01-04
•
Expires: 1966-01-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:37
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1921423A
Cited
US1602499A
Cited
US1931851A
Cited
US2044617A
Cited
US2007801A
Cited
US1965287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |