US2462598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable disk
Assignee: —
•
Filing: —
•
Granted: 1949-02-22
•
Expires: 1966-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:33
CPC Classifications
G; G09; G09D; G09D3/00; G09D3/04; G09D3/06; G09D3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
GB190616835A
Cited
US855078A
Cited
US916051A
Cited
US1253562A
Cited
US1327317A
Cited
US1705116A
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US1651748A
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US2131482A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |