Patent US1569503A successfully refreshed from Google Patents.
Patent US2604583A successfully refreshed from Google Patents.
US2604583A
Expired / Lapsed
US
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Safety control fob minimizing shock
Assignee: —
•
Filing: —
•
Granted: 1952-07-22
•
Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:23
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/22; H01H3/00; H01H3/02; H01H3/08; H01H3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1489252A
Cited
US1350486A
Cited
US1447262A
Cited
US1735897A
Cited
US1903457A
Cited
US2056305A
Cited
DE685381C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |