US1399566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projection-screen
Assignee: PERLANTINO O CE PE GmbH
•
Filing: 1912-07-18
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Granted: 1921-12-06
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Expires: 1932-07-18
Abstract
No abstract record available.
Inventors
- 👤 Lazarus Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/60; G03B21/602; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24421
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) | 1924-12-05 | 1925-06-06 | 1925-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-12-05 | 1929-06-06 | 1929-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-12-05 | 1933-06-06 | 1933-12-06 | $7700.00 | Window Closed / Lapsed |