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US2798664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
grant
Assignee: —
•
Filing: —
•
Granted: 1957-07-09
•
Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:18
CPC Classifications
G; G07; G07F; G07F1/00; G07F1/04; G07F9/00; G07F9/06; A; A45; A45C; A45C1/00; A45C1/12; G07D; G07D9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US226158A
Cited
US486111A
Cited
US1344841A
Cited
US2199086A
Cited
US826933A
Cited
US1570419A
Cited
US2010877A
Cited
US2642073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |