US2956327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic ferroelectric bodies
Assignee: Gulton Industries Inc
•
Filing: 1954-01-22
•
Granted: 1960-10-18
•
Expires: 1974-01-22
Abstract
No abstract record available.
Inventors
- 👤 Borel Jean-Pierre
- 👤 Lucien A Petermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:36
CPC Classifications
H; H01; H01G; H01G7/00; H01G7/02; H01G7/025; H01G7/026; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436840A
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US2125588A
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US2091569A
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US2563307A
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US2601105A
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US2696651A
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US2739900A
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US2624709A
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US2803553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |