US2300168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moistureproof material
Assignee: Hercules Powder Co
•
Filing: 1939-09-12
•
Granted: 1942-10-27
•
Expires: 1959-09-12
Abstract
No abstract record available.
Inventors
- 👤 Arloe R Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:35
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/048; C08J2301/00; C08J2301/02; C08J2415/00; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-10-26 | 1946-04-27 | 1946-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-26 | 1950-04-27 | 1950-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-26 | 1954-04-27 | 1954-10-27 | $7700.00 | Window Closed / Lapsed |