US1363860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust-collector
Assignee: Individual
•
Filing: 1920-04-10
•
Granted: 1920-12-28
•
Expires: 1940-04-10
Abstract
No abstract record available.
Inventors
- 👤 Fetters Norman Craig
- 👤 Richards Charles Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:01
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/18; A47L9/183; A47L9/185; Y; Y10; Y10S; Y10S15/00; Y10S15/08; Y10S55/00; Y10S55/03
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) | 1923-12-28 | 1924-06-28 | 1924-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-28 | 1928-06-28 | 1928-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-28 | 1932-06-28 | 1932-12-28 | $7700.00 | Window Closed / Lapsed |