Patent FR1397302A successfully refreshed from Google Patents.
Patent US2773928A successfully refreshed from Google Patents.
US2773928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube shield device
Assignee: Individual
•
Filing: 1950-09-15
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Granted: 1956-12-11
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Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Camp Scipione M Del
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:33
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7664; H01J; H01J5/00; H01J5/02; H01J5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US90055A
Cited
US833042A
Cited
GB350471A
Cited
US2062256A
Cited
US2182607A
Cited
US2358491A
Cited
US2398626A
Cited
US2575601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |