US2130879A
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Method of making a vacuum-tight joint between solid bodies
Assignee: General Electric Co
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Filing: 1937-03-24
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Granted: 1938-09-20
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Expires: 1957-03-24
Abstract
No abstract record available.
Inventors
- 👤 Dobke Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:45
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B37/025; H; H01; H01J; H01J5/00; H01J5/20; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/08; C04B2237/10; C04B2237/12; C04B2237/123; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/40; C04B2237/405; C04B2237/406; C04B2237/50; C04B2237/60; C04B2237/62; C04B2237/64; C04B2237/76; C04B2237/765; C04B2237/80; C04B2237/84; H01J2893/00; H01J2893/0033; H01J2893/0037; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
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) | 1941-09-19 | 1942-03-21 | 1942-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-19 | 1946-03-21 | 1946-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-19 | 1950-03-21 | 1950-09-20 | $7700.00 | Window Closed / Lapsed |