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Patent US3473272A successfully refreshed from Google Patents.
US3473272A
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Enclosure including flaccid nonmetallic surfacing
Assignee: Goodrich Corp
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Filing: 1967-04-10
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Granted: 1969-10-21
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Victor H Hasselquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:30
CPC Classifications
E; E04; E04H; E04H3/00; E04B; E04B1/00; E04B1/32; E04B1/3211; E04C; E04C3/00; E04C3/38; E04C3/46; E04H15/00; E04H15/32; E04H15/34; E04H15/36; E04B2001/3217; E04B2001/3235; E04B2001/3241; E04B2001/3252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2670818A
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US2636457A
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US2948047A
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US2923305A
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US3165110A
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US3137371A
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US3240217A
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US3380203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |