US2684537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic film mounting device
Assignee: Individual
•
Filing: 1950-04-22
•
Granted: 1954-07-27
•
Expires: 1970-04-22
Abstract
No abstract record available.
Inventors
- 👤 Norman L Rosie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:51
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1634699A
Cited
US1839866A
Cited
FR825068A
Cited
US2236197A
Cited
FR899729A
Cited
US2417496A
Cited
US2481928A
Cited
US2431535A
Cited
US2488355A
Cited
US2496406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |