US2995066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anamorphotic system
Assignee: Individual
•
Filing: 1956-06-13
•
Granted: 1961-08-08
•
Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Dufresse Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:11
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1053650A
Cited
US1259711A
Cited
US1525658A
Cited
US1581659A
Cited
US1829634A
Cited
US2769373A
Cited
US2792746A
Cited
US2780142A
Cited
FR1111830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |