Patent US4665352A successfully refreshed from Google Patents.
US2467653A
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Assignee: Individual
•
Filing: 1948-02-18
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Granted: 1949-04-19
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Expires: 1968-02-18
Abstract
No abstract record available.
Inventors
- 👤 Berthier Emile Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:14
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/713
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |