US63614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in head-blocks foe saw-mills
Assignee: —
•
Filing: —
•
Granted: 1867-04-09
•
Expires: 1884-04-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:51
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/46; B26D1/50; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6476; Y10T83/768; Y10T83/7868
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) | 1870-04-08 | 1870-10-08 | 1871-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-04-08 | 1874-10-08 | 1875-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-04-08 | 1878-10-08 | 1879-04-09 | $7700.00 | Window Closed / Lapsed |