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Patent US2956466A successfully refreshed from Google Patents.
US2956466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
duncan
Assignee: —
•
Filing: —
•
Granted: 1960-10-18
•
Expires: 1977-10-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
G; G10; G10F; G10F1/00; G10F1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US267482A
Cited
US359278A
Cited
US550154A
Cited
US559773A
Cited
US1309837A
Cited
US2735328A
Cited
CH392A
Cited
CH24344A
Cited
US1072488A
Cited
CH255730A
Cited
US2630655A
Cited
US2838834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |