US135380A
Expired / Lapsed
US
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Improvement in the modes of adjusting the length of pitmen
Assignee: —
•
Filing: —
•
Granted: 1873-01-28
•
Expires: 1890-01-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:26
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/10; F16B; F16B5/00; F16B5/02; F16B5/025; F16C7/00; F16C7/06; G; G01; G01C; G01C15/00; G01C15/02; G01C15/06; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T74/00; Y10T74/21; Y10T74/211; Y10T74/2114; Y10T74/2142; Y10T74/2151
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) | 1876-01-28 | 1876-07-29 | 1877-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-01-28 | 1880-07-29 | 1881-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-01-28 | 1884-07-29 | 1885-01-28 | $7700.00 | Window Closed / Lapsed |