US903648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
T-square.
Assignee: ERNEST A VAN VLECK
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Filing: 1908-03-26
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Granted: 1908-11-10
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Expires: 1928-03-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin B Wiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/56; G01B3/566; F; F16; F16B; F16B2200/00; F16B2200/30
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) | 1911-11-10 | 1912-05-11 | 1912-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-11-10 | 1916-05-11 | 1916-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-11-10 | 1920-05-11 | 1920-11-10 | $7700.00 | Window Closed / Lapsed |