US2496078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making saggers
Assignee: RCA Corp
•
Filing: 1947-09-18
•
Granted: 1950-01-31
•
Expires: 1967-09-18
Abstract
No abstract record available.
Inventors
- 👤 Wentworth Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:54
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0029; B28B7/0055; H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; H01G4/1236; H01G4/1245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685051A
Cited
US1441718A
Cited
US1513617A
Cited
US1626260A
Cited
US1893314A
Cited
US2246448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |