US3247130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorbing composition
Assignee: St. Joseph's Hospital and Medical Center
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Filing: 1962-07-16
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Granted: 1966-04-19
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 William T Isbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:33
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/10; G21F1/103; C; C08; C08K; C08K3/00; C08K3/30; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B2001/742
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN ENERGY ABSORBING COMPOSITION COMPRISING FROM ABOUT 45% TO ABOUT 95% BY WEIGHT OF PARTICULATE LEAD SULPHIDE IN THE FORM OF GALENA CONCENTRATE DISPERSED IN A SOLIDIFIED MATRIX MATERIAL CONSISTING ESSENTIALLY OF A POLYALKYLENE PLASTIC.
Claim 2
Dependent Claim
35 words
AN ENERGY ABSORBING COMPOSITION COMPRISING FROM ABOUT 45% TO ABOUT 95% BY WEIGHT OF PARTICULATE LEAD SULPHIDE IN THE FORM OF GALENA CONCENTRATE DISPERSED IN A SOLIDIFIED MATRIX MATERIAL CONSISTING ESSENTIALLY OF A POLYALKYLENE PLASTIC.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |