Patent EP0158198A1 successfully refreshed from Google Patents.
US2623549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant-energy-opaque fabric
Assignee: Research Corp
•
Filing: 1949-04-21
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Granted: 1952-12-30
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Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Vincent W Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/10; G21F1/103; G21F1/106; C; C04; C04B; C04B30/00; C04B30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROTECTIVE FABRIC SUBSTANTIALLY OPAQUE TO X-RAYS AND BETA RAYS COMPRISING A WEB OF LEAD GLASS FIBERS.
Claim 2
Dependent Claim
17 words
A PROTECTIVE FABRIC SUBSTANTIALLY OPAQUE TO X-RAYS AND BETA RAYS COMPRISING A WEB OF LEAD GLASS FIBERS.
References Cited (Backward Citations)
US232122A
Cited
US1317082A
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US1633534A
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US2025099A
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US2133238A
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US2404225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |