Patent US4872058A successfully refreshed from Google Patents.
US2933855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for glass to metal sealing
Assignee: Individual
•
Filing: 1956-01-25
•
Granted: 1960-04-26
•
Expires: 1976-01-25
Abstract
No abstract record available.
Inventors
- 👤 Rue Albert D La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:48
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; H01J2893/0043
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1548611A
Cited
US2015730A
Cited
US2432491A
Cited
US2253054A
Cited
US2515706A
Cited
GB642444A
Cited
US2484650A
Cited
US2629971A
Cited
US2534392A
Cited
US2499854A
Cited
US2480364A
Cited
US2591666A
Cited
US2598286A
Cited
US2639555A
Cited
US2731771A
Cited
US2741069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |