US49386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for drill or pump rods
Assignee: —
•
Filing: —
•
Granted: 1865-08-15
•
Expires: 1882-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; Y; Y10; Y10S; Y10S292/00; Y10S292/35; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931; Y10T279/17941; Y10T279/17948; Y10T403/00; Y10T403/57; Y10T403/5746; Y10T403/65; Y10T403/655; Y10T403/66
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) | 1868-08-14 | 1869-02-13 | 1869-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1872-08-14 | 1873-02-13 | 1873-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1876-08-14 | 1877-02-13 | 1877-08-15 | $7700.00 | Window Closed / Lapsed |