US820829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic digger and conveyer.
Assignee: Individual
•
Filing: 1903-04-09
•
Granted: 1906-05-15
•
Expires: 1923-04-09
Abstract
No abstract record available.
Inventors
- 👤 Philip Henry Stauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
B; B65; B65G; B65G33/00; Y; Y10; Y10S; Y10S119/00; Y10S119/901
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 |