Patent US1031072A successfully refreshed from Google Patents.
US1031072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump.
Assignee: Individual
•
Filing: 1911-11-20
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Granted: 1912-07-02
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Expires: 1931-11-20
Abstract
No abstract record available.
Inventors
- 👤 Justus R Kinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:31
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/356; F04C2/3566
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) | 1915-07-02 | 1916-01-01 | 1916-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-02 | 1920-01-01 | 1920-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-02 | 1924-01-01 | 1924-07-02 | $7700.00 | Window Closed / Lapsed |