US389320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic pump-rod
Assignee: —
•
Filing: —
•
Granted: 1888-09-11
•
Expires: 1905-09-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:05
CPC Classifications
F; F16; F16C; F16C7/00; F16C7/04; Y; Y10; Y10S; Y10S56/00; Y10S56/18; Y10T; Y10T403/00; Y10T403/45; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146
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) | 1891-09-11 | 1892-03-12 | 1892-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-09-11 | 1896-03-12 | 1896-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-09-11 | 1900-03-13 | 1900-09-12 | $7700.00 | Window Closed / Lapsed |