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US172903A
Expired / Lapsed
US
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Improvement in elastic pitmen or connecting-rods
Assignee: —
•
Filing: —
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Granted: 1876-02-01
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Expires: 1893-02-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
F; F16; F16C; F16C7/00; F16C7/04; Y; Y10; Y10T; Y10T403/00; Y10T403/67; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144
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) | 1879-01-31 | 1879-08-02 | 1880-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-01-31 | 1883-08-02 | 1884-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-01-31 | 1887-08-02 | 1888-02-01 | $7700.00 | Window Closed / Lapsed |