Patent US2809774A successfully refreshed from Google Patents.
US2809774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-feed device
Assignee: ALF K BERLE
•
Filing: 1954-11-04
•
Granted: 1957-10-15
•
Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Kaye Joseph
- 👤 James B Reswick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:52
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/60; B65D83/64; A; A47; A47K; A47K5/00; A47K5/06; A47K5/12; A47K5/1201
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1407657A
Cited
US1040476A
Cited
US1584863A
Cited
US1926399A
Cited
US2592613A
Cited
US2615597A
Cited
US2585286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |