US2479364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making molds
Assignee: Individual
•
Filing: 1945-10-25
•
Granted: 1949-08-16
•
Expires: 1965-10-25
Abstract
No abstract record available.
Inventors
- 👤 Douglas L Jocelyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:47
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1809872A
Cited
GB330018A
Cited
US2048222A
Cited
US2042635A
Cited
US2121448A
Cited
US2299192A
Cited
US2298885A
Cited
US2397831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |