US3453105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing high porosity sintered parts
Assignee: Lignes Telegraphiques et Telephoniques LTT SA
•
Filing: 1967-10-09
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Granted: 1969-07-01
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Simon Flaks
- 👤 Balint Escher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:22
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F1/00; B22F1/10; B22F1/108; H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/052; B22F2998/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB727807A
Cited
US2776887A
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GB781433A
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DE1114329B
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GB930003A
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US3051566A
Cited
US3226263A
Cited
US3197847A
Cited
US3232752A
Cited
US3322536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |