US2803732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed r. f. sealing
Assignee: GTE Sylvania Inc
•
Filing: 1952-01-17
•
Granted: 1957-08-20
•
Expires: 1972-01-17
Abstract
No abstract record available.
Inventors
- 👤 Wade Orison
- 👤 Ray John Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:22
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J2893/00; H01J2893/0033; H01J2893/0037
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1911046A
Cited
US2202758A
Cited
US2167798A
Cited
US2361517A
Cited
US2279854A
Cited
US2512718A
Cited
US2537289A
Cited
US2490206A
Cited
US2493771A
Cited
US2511059A
Cited
US2625637A
Cited
US2542393A
Cited
US2627416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |