Patent DE474438C successfully refreshed from Google Patents.
US2583245A
Expired / Lapsed
US
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Timing device
Assignee: MH Rhodes Inc
•
Filing: 1949-08-08
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Granted: 1952-01-22
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Expires: 1969-08-08
Abstract
No abstract record available.
Inventors
- 👤 Merritt Van Valkenburgh
- 👤 Lawrence J Laviana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:29
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/02; G04F3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |