US2944356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparency equipment
Assignee: Individual
•
Filing: 1956-03-19
•
Granted: 1960-07-12
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Borwin F Anthon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:17
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/40; G; G02; G02B; G02B27/00; G02B27/02; G02B27/022; G02B27/024; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |