Patent US3547713A successfully refreshed from Google Patents.
US3547713A
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Methods of making structural materials having a low temperature coefficient of the modulus of elasticity
Assignee: Institut Straumann AG
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Filing: 1967-04-18
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Granted: 1970-12-15
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Expires: 1987-04-18
Abstract
No abstract record available.
Inventors
- 👤 Samuel Steinemann
- 👤 Martin Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:26
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; C; C22; C22C; C22C27/00; C22C28/00; C22F; C22F1/00; G; G04; G04B; G04B17/00; G04B17/20; G04B17/22; G04B17/227; H01F1/0302; H01F1/0306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3167692A
Cited
US3253191A
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US3215569A
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US3271200A
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US3275480A
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US3374123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |