Patent FR834735A successfully refreshed from Google Patents.
US33316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved strainer for coffee and tea pots
Assignee: —
•
Filing: —
•
Granted: 1861-09-17
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Expires: 1878-09-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:34
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/70; Y; Y10; Y10S; Y10S707/00; Y10S707/99931; Y10S707/99933; Y10S707/99934; Y10S715/00; Y10S715/961; Y10S715/965; Y10S715/966; Y10S715/968
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) | 1864-09-16 | 1865-03-18 | 1865-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-09-16 | 1869-03-18 | 1869-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-09-16 | 1873-03-18 | 1873-09-17 | $7700.00 | Window Closed / Lapsed |