US2546874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lining for coffee-making instrumentalities
Assignee: Individual
•
Filing: 1947-06-18
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Granted: 1951-03-27
•
Expires: 1967-06-18
Abstract
No abstract record available.
Inventors
- 👤 Nelson J Siegrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44; A47J31/4403; A47J31/446; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1348; Y10T428/21; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24628; Y10T428/24669; Y10T428/24686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |