Patent US1241832A successfully refreshed from Google Patents.
US1241832A
Expired / Lapsed
US
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Arch-support.
Assignee: Individual
•
Filing: 1916-11-29
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Granted: 1917-10-02
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Expires: 1936-11-29
Abstract
No abstract record available.
Inventors
- 👤 Charles H Druckenmiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:12
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/02; A43B17/03
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) | 1920-10-01 | 1921-04-02 | 1921-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-01 | 1925-04-02 | 1925-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-01 | 1929-04-02 | 1929-10-02 | $7700.00 | Window Closed / Lapsed |