US1124684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic cleaner.
Assignee: BF Sturtevant Co
•
Filing: 1913-10-13
•
Granted: 1915-01-12
•
Expires: 1933-10-13
Abstract
No abstract record available.
Inventors
- 👤 George W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:42
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; Y; Y10; Y10S; Y10S15/00; Y10S15/08; Y10S15/10; 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) | 1918-01-11 | 1918-07-13 | 1919-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-01-11 | 1922-07-13 | 1923-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-01-11 | 1926-07-13 | 1927-01-12 | $7700.00 | Window Closed / Lapsed |