US1366832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank-signal
Assignee: Individual
•
Filing: 1918-07-06
•
Granted: 1921-01-25
•
Expires: 1938-07-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/36
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) | 1924-01-25 | 1924-07-26 | 1925-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-25 | 1928-07-26 | 1929-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-25 | 1932-07-26 | 1933-01-25 | $7700.00 | Window Closed / Lapsed |