Patent US836638A successfully refreshed from Google Patents.
US836638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making tiles.
Assignee: Individual
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Filing: 1906-07-24
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Granted: 1906-11-20
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Expires: 1926-07-24
Abstract
No abstract record available.
Inventors
- 👤 Orlando Ducker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/22; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974
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) | 1909-11-19 | 1910-05-21 | 1910-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-11-19 | 1914-05-21 | 1914-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-11-19 | 1918-05-21 | 1918-11-20 | $7700.00 | Window Closed / Lapsed |