US821548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1904-10-01
•
Granted: 1906-05-22
•
Expires: 1924-10-01
Abstract
No abstract record available.
Inventors
- 👤 William Streeter
- 👤 Edward Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:56
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/08; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243; Y10T70/7249; Y10T70/7254; Y10T70/735; Y10T70/7367; Y10T70/7384
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) | 1909-05-21 | 1909-11-20 | 1910-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-21 | 1913-11-20 | 1914-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-21 | 1917-11-20 | 1918-05-22 | $7700.00 | Window Closed / Lapsed |