US2910910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic stereoplotter
Assignee: Unisys Corp
•
Filing: 1957-12-20
•
Granted: 1959-11-03
•
Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Rosenfeld Azriel
- 👤 Kenneth W Gross
- 👤 Donald C Gala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:24
CPC Classifications
G; G08; G08C; G08C21/00; G01; G01C; G01C11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1396047A
Cited
FR537740A
Cited
US2283226A
Cited
US2493543A
Cited
US2626989A
Cited
US2798115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |