US1007742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump for machine-tools and other purposes.
Assignee: Individual
•
Filing: 1911-08-25
•
Granted: 1911-11-07
•
Expires: 1931-08-25
Abstract
No abstract record available.
Inventors
- 👤 John Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:51
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/18
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) | 1914-11-06 | 1915-05-08 | 1915-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-11-06 | 1919-05-08 | 1919-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-11-06 | 1923-05-08 | 1923-11-07 | $7700.00 | Window Closed / Lapsed |