US183521A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in life-preserving and swimming suits
Assignee: —
•
Filing: —
•
Granted: 1876-10-24
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Expires: 1893-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:04
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/26; A; A62; A62B; A62B18/00; A62B18/08; A62B18/086
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) | 1879-10-24 | 1880-04-24 | 1880-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-10-24 | 1884-04-24 | 1884-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-10-24 | 1888-04-24 | 1888-10-24 | $7700.00 | Window Closed / Lapsed |