US1340145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: DOWS
•
Filing: 1919-07-24
•
Granted: 1920-05-18
•
Expires: 1939-07-24
Abstract
No abstract record available.
Inventors
- 👤 Frank P Blair
- 👤 Chester L Dows
- 👤 George S Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:40
CPC Classifications
G; G09; G09F; G09F7/00
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) | 1923-05-18 | 1923-11-17 | 1924-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-05-18 | 1927-11-17 | 1928-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-05-18 | 1931-11-17 | 1932-05-18 | $7700.00 | Window Closed / Lapsed |