US820149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packer.
Assignee: Individual
•
Filing: 1906-02-17
•
Granted: 1906-05-08
•
Expires: 1926-02-17
Abstract
No abstract record available.
Inventors
- 👤 George A Spang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:38
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/1208
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) | 1909-05-07 | 1909-11-06 | 1910-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-07 | 1913-11-06 | 1914-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-07 | 1917-11-06 | 1918-05-08 | $7700.00 | Window Closed / Lapsed |