US2958957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereo ranging attachment for large transparency projector
Assignee: Individual
•
Filing: 1955-03-30
•
Granted: 1960-11-08
•
Expires: 1975-03-30
Abstract
No abstract record available.
Inventors
- 👤 Domeshek Sol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:38
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/20; Y; Y10; Y10S; Y10S353/00; Y10S353/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1460732A
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US1756062A
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US1816181A
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US1921630A
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US2121255A
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US2104778A
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US2194682A
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US2352101A
Cited
US2420633A
Cited
US2424088A
Cited
US2637848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |