US2884312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge device manufacture
Assignee: GTE Sylvania Inc
•
Filing: 1957-09-03
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Granted: 1959-04-28
•
Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Alan T Kuryla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/50; H01J2893/00; H01J2893/0072; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/82; Y10; Y10S; Y10S156/00; Y10S156/918; Y10S156/919; Y10S156/922; Y10S156/924; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/1189; Y10T156/19; Y10T156/1961; Y10T156/1967; Y10T156/1972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD OF SEPARATING FIRST AND SECOND ELECTRICAL DEVICE GLASS CLOSURE MEMBERS HAVING GIVEN LATERAL DIMENSIONS WHICH ARE FRIT-SEALED TO ONE ANOTHER COMPRISING THE STEPS OF ETCHING THE FRIT AND SUBSEQUENTLY ALTERING THE LATERAL DIMENSION OF SAID FIRST CLOSURE MEMBER TO PROVIDE SHEARING OF THE SEAL.
Claim 2
Independent Claim
46 words
A METHOD OF SEPARATING FIRST AND SECOND ELECTRICAL DEVICE GLASS CLOSURE MEMBERS HAVING GIVEN LATERAL DIMENSIONS WHICH ARE FRIT-SEALED TO ONE ANOTHER COMPRISING THE STEPS OF ETCHING THE FRIT AND SUBSEQUENTLY ALTERING THE LATERAL DIMENSION OF SAID FIRST CLOSURE MEMBER TO PROVIDE SHEARING OF THE SEAL.
References Cited (Backward Citations)
US1892814A
Cited
US2116129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |