US3442190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus
Assignee: Rollei of America Inc
•
Filing: 1965-07-21
•
Granted: 1969-05-06
•
Expires: 1985-07-21
Abstract
No abstract record available.
Inventors
- 👤 Roger D Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12; G03B7/00; G03B7/08; G03B7/081; G03B7/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3109356A
Cited
US3205795A
Cited
US3336850A
Cited
US3264964A
Cited
US3303766A
Cited
US3324779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |