US2603341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sandwich making machine
Assignee: —
•
Filing: —
•
Granted: 1952-07-15
•
Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:59
CPC Classifications
A; A21; A21C; A21C15/00; A21C15/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1667692A
Cited
US393665A
Cited
US259542A
Cited
US1688510A
Cited
US836730A
Cited
US1114138A
Cited
US1230811A
Cited
US1437527A
Cited
US1460825A
Cited
US1822111A
Cited
US1870443A
Cited
US1771117A
Cited
US1897901A
Cited
US2085339A
Cited
US2348400A
Cited
US2350273A
Cited
US2394795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |