US924131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1905-07-21
•
Granted: 1909-06-08
•
Expires: 1925-07-21
Abstract
No abstract record available.
Inventors
- 👤 Samuel K Behrend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:49
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/32; B01D25/38; B01D25/386; B01D29/00; B01D29/01; C; C02; C02F; C02F1/00; C02F1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445
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) | 1912-06-07 | 1912-12-07 | 1913-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-06-07 | 1916-12-07 | 1917-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-06-07 | 1920-12-07 | 1921-06-08 | $7700.00 | Window Closed / Lapsed |