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Patent US863873A successfully refreshed from Google Patents.
US863873A
Expired / Lapsed
US
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Heel-cushion.
Assignee: CHARLES F BROWN
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Filing: 1905-08-05
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Granted: 1907-08-20
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Expires: 1925-08-05
Abstract
No abstract record available.
Inventors
- 👤 Philip Watson Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:25
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/24; A43B21/32
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) | 1910-08-19 | 1911-02-18 | 1911-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-08-19 | 1915-02-18 | 1915-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-08-19 | 1919-02-18 | 1919-08-20 | $7700.00 | Window Closed / Lapsed |