US2649791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescope
Assignee: Individual
•
Filing: 1948-06-16
•
Granted: 1953-08-25
•
Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Braymer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:33
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1186992A
Cited
US1480793A
Cited
US1791254A
Cited
US2278250A
Cited
US2231071A
Cited
US2263582A
Cited
US2305233A
Cited
US2337587A
Cited
US2474196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |