US1154835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cinematographic apparatus.
Assignee: Carl Zeiss SMT GmbH
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Filing: 1913-12-20
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Granted: 1915-09-28
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Expires: 1933-12-20
Abstract
No abstract record available.
Inventors
- 👤 Walther Bauersfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:24
CPC Classifications
G; G03; G03B; G03B41/00; G03B41/02; G03B41/04; G03B41/06
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) | 1918-09-27 | 1919-03-29 | 1919-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-09-27 | 1923-03-29 | 1923-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-09-27 | 1927-03-29 | 1927-09-28 | $7700.00 | Window Closed / Lapsed |