Patent US5048467A successfully refreshed from Google Patents.
US2428678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bomb sight
Assignee: Individual
•
Filing: 1930-05-27
•
Granted: 1947-10-07
•
Expires: 1950-05-27
Abstract
No abstract record available.
Inventors
- 👤 Carl L Norden
- 👤 Theodore H Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:59
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/22; F41G3/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE270349C
Cited
US1446280A
Cited
US1279471A
Cited
US1468712A
Cited
US1688599A
Cited
FR594563A
Cited
US1783769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |