US2274699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic filamentous material
Assignee: Individual
•
Filing: 1940-02-02
•
Granted: 1942-03-03
•
Expires: 1960-02-02
Abstract
No abstract record available.
Inventors
- 👤 Frank C Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:42
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/26; A; A47; A47L; A47L13/00; A47L13/02; A47L13/06; B; B21; B21F; B21F1/00; B21F1/04; D; D07; D07B; D07B7/00; D07B7/02; D07B7/025; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1241
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) | 1945-03-02 | 1945-09-01 | 1946-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-02 | 1949-09-01 | 1950-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-02 | 1953-09-01 | 1954-03-03 | $7700.00 | Window Closed / Lapsed |