US2524737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for casting negative surface replicas
Assignee: Individual
•
Filing: 1949-10-24
•
Granted: 1950-10-03
•
Expires: 1969-10-24
Abstract
No abstract record available.
Inventors
- 👤 John W Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3272; B29; B29C; B29C33/00; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10S425/00; Y10S425/033; Y10S425/044; Y10S425/812; Y10S52/00; Y10S52/04
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) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |