US2210699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-tight insulated lead-in structure
Assignee: Westinghouse Electric Corp
•
Filing: 1936-10-21
•
Granted: 1940-08-06
•
Expires: 1956-10-21
Abstract
No abstract record available.
Inventors
- 👤 Walter E Bahis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:56
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/025; H; H01; H01J; H01J5/00; H01J5/32; H01J5/40; H01J5/42; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/12; C04B2237/124; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/40; C04B2237/405; C04B2237/50; C04B2237/62; C04B2237/64; C04B2237/72; C04B2237/76; C04B2237/765; C04B2237/78; C04B2237/82; C04B2237/84; H01J2893/00; H01J2893/0033; H01J2893/0034
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-08-06 | 1944-02-05 | 1944-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-06 | 1948-02-05 | 1948-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-06 | 1952-02-05 | 1952-08-06 | $7700.00 | Window Closed / Lapsed |