US2823367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity-sensitive multiple contact switches
Assignee: Individual
•
Filing: 1956-06-25
•
Granted: 1958-02-11
•
Expires: 1976-06-25
Abstract
No abstract record available.
Inventors
- 👤 James W Huron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:19
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/20; H01H29/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1640695A
Cited
US1915406A
Cited
US2100105A
Cited
US2056150A
Cited
US2304608A
Cited
US2774835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |