US2785683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
davidson
Assignee: —
•
Filing: —
•
Granted: 1957-03-19
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:20
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE569475C
Cited
US726607A
Cited
US1287745A
Cited
GB355663A
Cited
DE553137C
Cited
GB365453A
Cited
GB506120A
Cited
US2570270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |