US2367490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die
Assignee: BENJAMIN W FREEMAN
•
Filing: 1943-08-09
•
Granted: 1945-01-16
•
Expires: 1963-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert L Ducklo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:03
CPC Classifications
B; B27; B27J; B27J5/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1077; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1326; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T156/1756
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) | 1948-01-16 | 1948-07-17 | 1949-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-01-16 | 1952-07-17 | 1953-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-01-16 | 1956-07-17 | 1957-01-16 | $7700.00 | Window Closed / Lapsed |