US1090419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrating device.
Assignee: Individual
•
Filing: 1913-02-19
•
Granted: 1914-03-17
•
Expires: 1933-02-19
Abstract
No abstract record available.
Inventors
- 👤 Severn D Sprong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
G; G01; G01R; G01R35/00; G01R35/005
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) | 1917-03-16 | 1917-09-15 | 1918-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-03-16 | 1921-09-15 | 1922-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-03-16 | 1925-09-15 | 1926-03-17 | $7700.00 | Window Closed / Lapsed |