US670581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank and means for discharging contents thereof.
Assignee: FRANK M PRATT
•
Filing: 1901-01-05
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Granted: 1901-03-26
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Expires: 1921-01-05
Abstract
No abstract record available.
Inventors
- 👤 Clem Erisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:07
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/18; G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2202
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) | 1904-03-25 | 1904-09-24 | 1905-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-03-25 | 1908-09-24 | 1909-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-03-25 | 1912-09-24 | 1913-03-26 | $7700.00 | Window Closed / Lapsed |