US3487759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera
Assignee: Compur Werk GmbH and Co
•
Filing: 1966-08-03
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Granted: 1970-01-06
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Expires: 1986-08-03
Abstract
No abstract record available.
Inventors
- 👤 Paul Fahlenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:05
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12; G03B9/00; G03B9/02; G03B9/07; G03B9/08; G03B9/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |