US2445709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch
Assignee: Lanteris Space LLC
•
Filing: 1944-09-29
•
Granted: 1948-07-20
•
Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0042; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1222396A
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US1744424A
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US1873560A
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US2181493A
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US2210495A
Cited
US2256447A
Cited
US2303027A
Cited
US2342250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |