US2575746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing-in machine for tubular double-ended lamps
Assignee: General Electric Co
•
Filing: 1947-01-11
•
Granted: 1951-11-20
•
Expires: 1967-01-11
Abstract
No abstract record available.
Inventors
- 👤 Paul O Cartun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:50
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/24; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0038; H01J2893/0039
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1011523A
Cited
US1461155A
Cited
DE542173C
Cited
US2121627A
Cited
US2212842A
Cited
US2364673A
Cited
US2394115A
Cited
US2434664A
Cited
US2417361A
Cited
US2455317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |