US2174848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light device for inspecting sealed transparent containers
Assignee: HOWARD B GRAHAM
•
Filing: 1937-02-02
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Granted: 1939-10-03
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Expires: 1957-02-02
Abstract
No abstract record available.
Inventors
- 👤 Stahmer Bernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:34
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9018; G01N21/9027; G01N21/8803; G01N33/00; G01N33/0078; G01N33/0081
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) | 1942-10-02 | 1943-04-03 | 1943-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-02 | 1947-04-03 | 1947-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-02 | 1951-04-03 | 1951-10-03 | $7700.00 | Window Closed / Lapsed |