Patent US939838A successfully refreshed from Google Patents.
US939838A
Expired / Lapsed
US
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Eaves-trough.
Assignee: Individual
•
Filing: 1909-03-10
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Granted: 1909-11-09
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Expires: 1929-03-10
Abstract
No abstract record available.
Inventors
- 👤 George Hensler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:16
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/14; B; B01; B01D; B01D29/00; B01D29/01; B01D29/03; B01D29/035; Y; Y10; Y10S; Y10S29/00; Y10S29/081
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) | 1912-11-08 | 1913-05-10 | 1913-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-08 | 1917-05-10 | 1917-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-08 | 1921-05-10 | 1921-11-09 | $7700.00 | Window Closed / Lapsed |