Patent US3355478A successfully refreshed from Google Patents.
US3355478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carborane-substituted silicones
Assignee: ATK Launch Systems LLC
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Filing: 1964-09-30
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Granted: 1967-11-28
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Marvin M Fein
- 👤 Green Joseph
- 👤 Eugene L O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:11
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A COPOLYMER CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
Claim 2
Dependent Claim
10 words
A COPOLYMER CONSISTING ESSENTIALLY OF RECURRING UNITS OF THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |