US2746675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
grant
Assignee: —
•
Filing: —
•
Granted: 1956-05-22
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:32
CPC Classifications
G; G07; G07F; G07F9/00; G07F9/06; G07D; G07D9/00; G07F1/00; G07F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US399820A
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Cited
US221943A
Cited
US1116435A
Cited
US1570419A
Cited
US2026262A
Cited
US1979377A
Cited
US2514846A
Cited
US2642073A
Cited
US2521295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |