US2470878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
US2470878A - - Google Patents
Assignee: —
•
Filing: —
•
Granted: 1949-05-24
•
Expires: 1966-05-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:58
CPC Classifications
A; A22; A22B; A22B7/00; A22B7/001; A22B7/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426778A
Cited
US737851A
Cited
US1072871A
Cited
US1350632A
Cited
US1360103A
Cited
GB160667A
Cited
GB210277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |