US2493439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belief duplication
Assignee: —
•
Filing: 1946-09-24
•
Granted: 1950-01-03
•
Expires: 1966-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:48
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/24; B29; B29C; B29C51/00; B29C51/10; B29C51/26; B29C51/42; B29C51/421; B29C51/424; B29C35/00; B29C35/02; B29C35/04; B29C35/045; B29C2035/046; B29C35/08; B29C35/0805; B29C2035/0822; B29C2791/00; B29C2791/004; B29C2791/006; B29L; B29L2031/00; B29L2031/76; B29L2031/7602; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S264/78
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) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |