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US865084A
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Carpet-sweeper.
Assignee: MISSOURI N KNELL
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Filing: 1907-02-16
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Granted: 1907-09-03
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Expires: 1927-02-16
Abstract
No abstract record available.
Inventors
- 👤 Charles J Deitch
- 👤 Oscar L Biddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:31
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/32; A47L11/33
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) | 1910-09-02 | 1911-03-04 | 1911-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-09-02 | 1915-03-04 | 1915-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-09-02 | 1919-03-04 | 1919-09-03 | $7700.00 | Window Closed / Lapsed |