Patent US2840886A successfully refreshed from Google Patents.
US2840886A
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US
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Shield forming and mounting method and apparatus
Assignee: General Electric Co
•
Filing: 1952-11-29
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Granted: 1958-07-01
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Expires: 1972-11-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Grube
- 👤 John H Hollopetre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:34
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US992890A
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US1984873A
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DE624963C
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US2024585A
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US2264613A
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US2333997A
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US2442908A
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US2515699A
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FR1015077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |