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US2663497A
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US
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Assignee: —
•
Filing: —
•
Granted: 1953-12-22
•
Expires: 1970-12-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
G; G07; G07C; G07C1/00; G07C1/10; G07C1/12; G07C1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1432627A
Cited
US1582333A
Cited
US2312137A
Cited
US2591448A
Cited
US1260705A
Cited
US1267510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |