Patent US135544A successfully refreshed from Google Patents.
US135544A
Expired / Lapsed
US
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Improvement in coffee-pots
Assignee: —
•
Filing: —
•
Granted: 1873-02-04
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Expires: 1890-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:51
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/053; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915
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) | 1876-02-04 | 1876-08-05 | 1877-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-02-04 | 1880-08-05 | 1881-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-02-04 | 1884-08-05 | 1885-02-04 | $7700.00 | Window Closed / Lapsed |