Patent US883413A successfully refreshed from Google Patents.
US883413A
Expired / Lapsed
US
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Pneumatic dust-collector.
Assignee: Individual
•
Filing: 1907-07-20
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Granted: 1908-03-31
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Expires: 1927-07-20
Abstract
No abstract record available.
Inventors
- 👤 William F Mahony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:00
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1608; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; A47L9/0009; A47L9/0018; A47L9/0036; A47L9/165; A47L9/1658; A47L9/1666; A47L9/1683; B; B04; B04C; B04C9/00; B04C2009/002
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) | 1911-03-31 | 1911-09-30 | 1912-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-03-31 | 1915-09-30 | 1916-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-03-31 | 1919-09-30 | 1920-03-31 | $7700.00 | Window Closed / Lapsed |