US2920563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosively actuated driving
Assignee: Olin Corp
•
Filing: 1953-02-09
•
Granted: 1960-01-12
•
Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 Caro Charles J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:21
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/16; B25C1/12; F; F16; F16B; F16B19/00; F16B19/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN OVERPOWDER GAS CHECK MEMBER ADAPTED FOR USE IN THE BORE OF THE BARREL OF AN EXPLOSVE OPERATED DEVICE BETWEEN A PROJECTABLE MEMBER AND THE EXPLOSIVE PROPELLENT POWDER COMPRISING A BODY OF A SOLID POLYETHYLENIC POLYMER OR THE LIKE OLEFINIC PLASTIC SUBSTANCE HAVING A SELF-LUBRICATING SURFACE AND ELASTICITY TOGETHER WITH SUBSTANTIAL RESISTANCE TO RAPID DETERIORATION AND EXCESSIVE PLASTIC DEFORMATION ALL IN THE PRESENCE OF THE FLAME AND PRESSURE OF THE REACTION PRODUCTS OF SAID POWDER, SAID SUBSTANCE HAVING PROPERTIES, INCLUDING THE AFORESAID, GENERALLY SIMILAR TO THOSE OF POLYETHYLENE OF A MOLECULAR WEIGHT OF AT LEAST 10,000.
Claim 2
Dependent Claim
96 words
AN OVERPOWDER GAS CHECK MEMBER ADAPTED FOR USE IN THE BORE OF THE BARREL OF AN EXPLOSVE OPERATED DEVICE BETWEEN A PROJECTABLE MEMBER AND THE EXPLOSIVE PROPELLENT POWDER COMPRISING A BODY OF A SOLID POLYETHYLENIC POLYMER OR THE LIKE OLEFINIC PLASTIC SUBSTANCE HAVING A SELF-LUBRICATING SURFACE AND ELASTICITY TOGETHER WITH SUBSTANTIAL RESISTANCE TO RAPID DETERIORATION AND EXCESSIVE PLASTIC DEFORMATION ALL IN THE PRESENCE OF THE FLAME AND PRESSURE OF THE REACTION PRODUCTS OF SAID POWDER, SAID SUBSTANCE HAVING PROPERTIES, INCLUDING THE AFORESAID, GENERALLY SIMILAR TO THOSE OF POLYETHYLENE OF A MOLECULAR WEIGHT OF AT LEAST 10,000.
References Cited (Backward Citations)
US157793A
Cited
US997566A
Cited
FR531477A
Cited
FR765268A
Cited
US2153553A
Cited
US2188465A
Cited
US2342400A
Cited
US2518395A
Cited
US2559275A
Cited
US2663259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |