US2556762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lydfors
Assignee: —
•
Filing: —
•
Granted: 1951-06-12
•
Expires: 1968-06-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:46
CPC Classifications
G; G06; G06C; G06C7/00; G06C7/02; G06C7/08; G06C15/00; G06C15/04; G06C15/06; G06M; G06M1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1853791A
Cited
US2221861A
Cited
US2222164A
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US1150997A
Cited
US1008079A
Cited
US1100631A
Cited
US1400106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |