US3004464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoplotter
Assignee: Actron Industries Inc
•
Filing: 1955-06-21
•
Granted: 1961-10-17
•
Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Leighton
- 👤 Nuut August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:44
CPC Classifications
G; G01; G01C; G01C11/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/302912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066715A
Cited
US2251828A
Cited
US2283226A
Cited
US2764698A
Cited
US2386816A
Cited
US2493543A
Cited
US2679636A
Cited
US2896501A
Cited
US2787188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |