US2418818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging material and process covered thereby
Assignee: Rile-Coe Filter Process Inc
•
Filing: 1941-08-14
•
Granted: 1947-04-15
•
Expires: 1961-08-14
Abstract
No abstract record available.
Inventors
- 👤 Mayne R Coe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:15
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; A01G9/1438; A23; A23B; A23B2/00; A23B2/05; A23B2/055; B; B65; B65D; B65D65/00; B65D65/02; B65D65/16; B65D65/20; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25; Y10; Y10S; Y10S206/00; Y10S206/805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880813A
Cited
US2058786A
Cited
US2038114A
Cited
US2042333A
Cited
US2043860A
Cited
US2062179A
Cited
US2158610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |