US2789369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desiccant packet
Assignee: United States Department of Agriculture
•
Filing: 1955-05-27
•
Granted: 1957-04-23
•
Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Leander H Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/266; B65D81/268
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1222656A
Cited
US1217820A
Cited
US1532831A
Cited
US1983691A
Cited
US2051777A
Cited
US2210862A
Cited
US2698248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |