US2443784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay
Assignee: Schneider Electric Buildings Americas Inc
•
Filing: 1943-05-17
•
Granted: 1948-06-22
•
Expires: 1963-05-17
Abstract
No abstract record available.
Inventors
- 👤 Clark V Bullen
- 👤 Carl J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:01
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2272; H01H51/2281
Claims Analysis
Total Claims: 0
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US316707A
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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) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |