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US669883A
Expired / Lapsed
US
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Swimming and life-saving belt.
Assignee: Individual
•
Filing: 1900-01-18
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Granted: 1901-03-12
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Expires: 1920-01-18
Abstract
No abstract record available.
Inventors
- 👤 Hermann Prager-Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:44
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/11; B63C9/125; B63C9/1255
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) | 1904-03-11 | 1904-09-10 | 1905-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-03-11 | 1908-09-10 | 1909-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-03-11 | 1912-09-10 | 1913-03-12 | $7700.00 | Window Closed / Lapsed |