US826781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin leaf or fabric and method of making the same.
Assignee: WALTER A KER
•
Filing: 1906-01-31
•
Granted: 1906-07-24
•
Expires: 1926-01-31
Abstract
No abstract record available.
Inventors
- 👤 Henry R Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:48
CPC Classifications
B; B01; B01D; B01D69/00; B01D69/12; B01D69/122
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) | 1909-07-23 | 1910-01-22 | 1910-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-23 | 1914-01-22 | 1914-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-23 | 1918-01-22 | 1918-07-24 | $7700.00 | Window Closed / Lapsed |