US2282106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic-to-metal seal
Assignee: General Electric Co
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Filing: 1939-07-14
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Granted: 1942-05-05
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Expires: 1959-07-14
Abstract
No abstract record available.
Inventors
- 👤 James W Underwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:48
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/51; C04B41/5133; C04B37/00; C04B37/02; C04B37/023; C04B37/025; C04B37/026; C04B41/009; C04B41/5138; C04B41/52; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C04B41/89; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/124; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/50; C04B2237/52; C04B2237/525; C04B2237/55; C04B2237/59; C04B2237/592; C04B2237/62; C04B2237/64; C04B2237/72; C04B2237/76; C04B2237/78; C04B2237/84; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12083; Y10T428/12104; Y10T428/12111; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618
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) | 1945-05-04 | 1945-11-03 | 1946-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-04 | 1949-11-03 | 1950-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-04 | 1953-11-03 | 1954-05-05 | $7700.00 | Window Closed / Lapsed |