US1794427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for pumping wells
Assignee: Jordan & Taylor Inc
•
Filing: 1928-08-06
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Granted: 1931-03-03
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Expires: 1948-08-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur F White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:45
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/02; F04B47/04; E; E21; E21B; E21B43/00; E21B43/12; E21B43/121; E21B43/122
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) | 1934-03-02 | 1934-09-01 | 1935-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-02 | 1938-09-01 | 1939-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-02 | 1942-09-01 | 1943-03-03 | $7700.00 | Window Closed / Lapsed |