Patent US5646193A successfully refreshed from Google Patents.
US2788291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation resistant fabric
Assignee: Individual
•
Filing: 1956-06-15
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Granted: 1957-04-09
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Expires: 1976-06-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Stertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:56
CPC Classifications
G; G21; G21F; G21F3/00; G21F3/02; D; D06; D06M; D06M11/00; D06M11/83
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF PRODUCING RADIATION RESISTANT FABRIC COMPRISING THE STEPS OF: WATER PROOFING AND FIRE PROOFING SAID FABRIC FOR PROTECTING SAID FABRIC AGAINST THE SUBSEQUENT PROCESS STEP, AND SPRAYING SAID TREATED FABRIC WITH A SOLUTION OF LEAD SULPHUR DIOXIDE CONTAINING APPROXIMATELY 80% LEAD AND 12% SULPHUR DIOXIDE AND 8% ALUMINUM BY WEIGHT.
Claim 2
Independent Claim
52 words
A METHOD OF PRODUCING RADIATION RESISTANT FABRIC COMPRISING THE STEPS OF: WATER PROOFING AND FIRE PROOFING SAID FABRIC FOR PROTECTING SAID FABRIC AGAINST THE SUBSEQUENT PROCESS STEP, AND SPRAYING SAID TREATED FABRIC WITH A SOLUTION OF LEAD SULPHUR DIOXIDE CONTAINING APPROXIMATELY 80% LEAD AND 12% SULPHUR DIOXIDE AND 8% ALUMINUM BY WEIGHT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |