Patent GB446404A successfully refreshed from Google Patents.
US1287396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric selective device.
Assignee: Individual
•
Filing: 1916-09-14
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Granted: 1918-12-10
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Expires: 1936-09-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur Hyatt Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:59
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/222; G08B5/223; G08B5/224; G08B5/228; A; A61; A61G; A61G13/00; A61G13/02
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) | 1921-12-09 | 1922-06-10 | 1922-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-12-09 | 1926-06-10 | 1926-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-12-09 | 1930-06-10 | 1930-12-10 | $7700.00 | Window Closed / Lapsed |