US6974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
William o
Assignee: —
•
Filing: —
•
Granted: 1849-12-25
•
Expires: 1866-12-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:39
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/10; Y; Y10; Y10S; Y10S277/00; Y10S277/907
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) | 1852-12-24 | 1853-06-25 | 1853-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1856-12-24 | 1857-06-25 | 1857-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1860-12-24 | 1861-06-25 | 1861-12-25 | $7700.00 | Window Closed / Lapsed |