US30009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-dividers
Assignee: —
•
Filing: —
•
Granted: 1860-09-11
•
Expires: 1877-09-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:24
CPC Classifications
B; B43; B43L; B43L9/00; B43L9/16; B43L9/20
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) | 1863-09-11 | 1864-03-12 | 1864-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-09-11 | 1868-03-12 | 1868-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-09-11 | 1872-03-12 | 1872-09-11 | $7700.00 | Window Closed / Lapsed |