US1704189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-picture camera driven by alpha spring mechanism
Assignee: Individual
•
Filing: 1927-01-15
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Granted: 1929-03-05
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Expires: 1947-01-15
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:29
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/02; G03B1/04; G03B1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-03-04 | 1932-09-03 | 1933-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-04 | 1936-09-03 | 1937-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-04 | 1940-09-03 | 1941-03-05 | $7700.00 | Window Closed / Lapsed |