US2883906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic system and apparatus
Assignee: Individual
•
Filing: 1952-02-04
•
Granted: 1959-04-28
•
Expires: 1972-02-04
Abstract
No abstract record available.
Inventors
- 👤 Rehorn Miles Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:22
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/22; G02B30/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227462A
Cited
US1963438A
Cited
US1992872A
Cited
US2084350A
Cited
US2218875A
Cited
US2301254A
Cited
US2309879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |