US103429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in brad-punch
Assignee: —
•
Filing: —
•
Granted: 1870-05-24
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Expires: 1887-05-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
A; A43; A43D; A43D79/00
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) | 1873-05-23 | 1873-11-22 | 1874-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-05-23 | 1877-11-22 | 1878-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-05-23 | 1881-11-22 | 1882-05-24 | $7700.00 | Window Closed / Lapsed |