US135969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in machines for pricking leather
Assignee: —
•
Filing: —
•
Granted: 1873-02-18
•
Expires: 1890-02-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:48
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7316; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/2144; Y10T83/2146; Y10T83/215; Y10T83/2155; Y10T83/2159
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) | 1876-02-18 | 1876-08-19 | 1877-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-02-18 | 1880-08-19 | 1881-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-02-18 | 1884-08-19 | 1885-02-18 | $7700.00 | Window Closed / Lapsed |