Patent US1375507A successfully refreshed from Google Patents.
US1375507A
Expired / Lapsed
US
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Patella-splint
Assignee: Individual
•
Filing: 1919-05-31
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Granted: 1921-04-19
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Expires: 1939-05-31
Abstract
No abstract record available.
Inventors
- 👤 Grundmann William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:32
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/04; A61F5/05; A61F5/058; A61F5/05841; A61F5/0585
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) | 1924-04-18 | 1924-10-18 | 1925-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-18 | 1928-10-18 | 1929-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-18 | 1932-10-18 | 1933-04-19 | $7700.00 | Window Closed / Lapsed |