US2696752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic photographic projection mapping instrument
Assignee: Individual
•
Filing: 1951-06-29
•
Granted: 1954-12-14
•
Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Russell K Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:31
CPC Classifications
G; G01; G01C; G01C11/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1955116A
Cited
US1980657A
Cited
US2079090A
Cited
US2200594A
Cited
US2461567A
Cited
US2451031A
Cited
US2492870A
Cited
US2552975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |