Patent US1035408A successfully refreshed from Google Patents.
US1035408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens for projection and photography.
Assignee: Individual
•
Filing: 1911-06-06
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Granted: 1912-08-13
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Expires: 1931-06-06
Abstract
No abstract record available.
Inventors
- 👤 Conrad Beck
- 👤 Horace C Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:29
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/001; G02B13/0015; G02B13/002; G02B13/0035
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) | 1915-08-13 | 1916-02-12 | 1916-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-08-13 | 1920-02-12 | 1920-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-08-13 | 1924-02-12 | 1924-08-13 | $7700.00 | Window Closed / Lapsed |