Patent US798437A successfully refreshed from Google Patents.
US798437A
Expired / Lapsed
US
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Dust-collector.
Assignee: Individual
•
Filing: 1904-05-16
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Granted: 1905-08-29
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Expires: 1924-05-16
Abstract
No abstract record available.
Inventors
- 👤 Orville M Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:01
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/48; B; B04; B04C; B04C1/00; B04C5/00; B04C5/02; B04C5/04; B04C5/12; B04C5/13; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/46; B60G13/00; B60G13/001; B60G15/00; B60G15/02; B60G15/06; B60G15/061; F16F9/44
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) | 1908-08-28 | 1909-02-27 | 1909-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-08-28 | 1913-02-27 | 1913-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-08-28 | 1917-02-27 | 1917-08-29 | $7700.00 | Window Closed / Lapsed |