Patent US2424283A successfully refreshed from Google Patents.
US2424283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical system for telescopes and binoculars
Assignee: Bendix Aviation Corp
•
Filing: 1945-08-09
•
Granted: 1947-07-22
•
Expires: 1965-08-09
Abstract
No abstract record available.
Inventors
- 👤 John R Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:48
CPC Classifications
G; G02; G02B; G02B23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US415040A
Cited
GB190303596A
Cited
US765607A
Cited
US918147A
Cited
GB191422276A
Cited
GB166575A
Cited
US1584272A
Cited
GB303787A
Cited
US1892893A
Cited
GB343228A
Cited
US2015527A
Cited
US2135531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |