US2546784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch tape sensing condenser
Assignee: Unisys Corp
•
Filing: 1948-02-12
•
Granted: 1951-03-27
•
Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Roggenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:40
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/08; G06K7/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855569A
Cited
US1924087A
Cited
US2302081A
Cited
GB556292A
Cited
US2424833A
Cited
US2445663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |