US1137877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced-crank mechanism for pumps, motors, &c.
Assignee: Individual
•
Filing: 1911-08-16
•
Granted: 1915-05-04
•
Expires: 1931-08-16
Abstract
No abstract record available.
Inventors
- 👤 Charles Matthews Manly
- 👤 Hugo Centervall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:51
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/1658; Y10T74/1667; Y10T74/21; Y10T74/2173; Y10T74/2179; Y10T74/2183
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) | 1918-05-03 | 1918-11-02 | 1919-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-03 | 1922-11-02 | 1923-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-03 | 1926-11-02 | 1927-05-04 | $7700.00 | Window Closed / Lapsed |