US2320009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic plastic product and process of preparing the same
Assignee: Armour and Co
•
Filing: 1939-03-29
•
Granted: 1943-05-25
•
Expires: 1959-03-29
Abstract
No abstract record available.
Inventors
- 👤 Anderson W Ralston
- 👤 Everett J Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:06
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/18; C04B24/00; C04B24/12; Y; Y10; Y10S; Y10S71/00; Y10S71/903
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) | 1946-05-24 | 1946-11-23 | 1947-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-24 | 1950-11-23 | 1951-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-24 | 1954-11-23 | 1955-05-25 | $7700.00 | Window Closed / Lapsed |