US1729664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump jack
Assignee: C A RAY
•
Filing: 1928-03-27
•
Granted: 1929-10-01
•
Expires: 1948-03-27
Abstract
No abstract record available.
Inventors
- 👤 Alonzo W Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:51
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18944; Y10T74/21; Y10T74/2142; Y10T74/2154; Y10T74/2156
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1932-09-30 | 1933-04-01 | 1933-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-30 | 1937-04-01 | 1937-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-30 | 1941-04-01 | 1941-10-01 | $7700.00 | Window Closed / Lapsed |