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US820705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for filled brake-shoes and process of manufacture.
Assignee: Individual
•
Filing: 1905-09-11
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Granted: 1906-05-15
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Expires: 1925-09-11
Abstract
No abstract record available.
Inventors
- 👤 Warner R Crowell
- 👤 Nicholas B Varina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:05
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/78; B29C70/80
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) | 1909-05-14 | 1909-11-13 | 1910-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-14 | 1913-11-13 | 1914-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-14 | 1917-11-13 | 1918-05-15 | $7700.00 | Window Closed / Lapsed |