US2423872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant coating for cartridge cases
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1942-07-28
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Granted: 1947-07-15
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Expires: 1962-07-28
Abstract
No abstract record available.
Inventors
- 👤 Oliver P Clipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:20
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/26; F42B5/28; F42B5/295; C; C09; C09D; C09D161/00; C09D161/20; C09D161/32; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688
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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |