Patent US2794437A successfully refreshed from Google Patents.
US2794437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed package
Assignee: JOSEPH A ROSENBERG
•
Filing: 1954-06-01
•
Granted: 1957-06-04
•
Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Tash Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:06
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2096; B; B65; B65D; B65D51/00; B65D51/002; A61J1/2003; A61J1/2006; A61J1/201; Y; Y10; Y10S; Y10S128/00; Y10S128/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |