US2704969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll-film camera with co-axial film winding and focusing knobs
Assignee: Voigtlander AG
•
Filing: 1951-08-22
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Granted: 1955-03-29
•
Expires: 1971-08-22
Abstract
No abstract record available.
Inventors
- 👤 Mische Friedrich Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:07
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2556967A
Cited
US2495355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |