US2602338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrator
Assignee: Librascope Inc
•
Filing: 1949-07-12
•
Granted: 1952-07-08
•
Expires: 1969-07-12
Abstract
No abstract record available.
Inventors
- 👤 Opocensky Willard John
- 👤 Imm Lewis William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:51
CPC Classifications
G; G06; G06G; G06G3/00; G06G3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US761384A
Cited
US953308A
Cited
US2027788A
Cited
US2248072A
Cited
US2352346A
Cited
GB561237A
Cited
US2357035A
Cited
US2426584A
Cited
US2487256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |