US2785600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target plotting projector unit device
Assignee: Individual
•
Filing: 1955-03-30
•
Granted: 1957-03-19
•
Expires: 1975-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frank G Back
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:27
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/26; F41G3/2616; F41G3/2694; G; G03; G03B; G03B21/00
Claims Analysis
Total Claims: 0
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US2714330A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |