US2847522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switches
Assignee: Individual
•
Filing: 1955-07-27
•
Granted: 1958-08-12
•
Expires: 1975-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr James L Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:37
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR955181A
Cited
US1254331A
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US1969974A
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US2121607A
Cited
DE734173C
Cited
US2284816A
Cited
US2339434A
Cited
US2444198A
Cited
US2591684A
Cited
US2587458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |