Patent US2890639A successfully refreshed from Google Patents.
US2890639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera focus adjusting mechanism
Assignee: Voigtlander AG
•
Filing: 1958-08-12
•
Granted: 1959-06-16
•
Expires: 1978-08-12
Abstract
No abstract record available.
Inventors
- 👤 Meixner Alfred
- 👤 Sommer Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:16
CPC Classifications
G; G03; G03B; G03B3/00; G03B3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE264426C
Cited
US2138059A
Cited
US2313567A
Cited
US2358121A
Cited
US2467456A
Cited
FR1014069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |