US2745141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous method of making porous strip material
Assignee: Individual
•
Filing: 1952-11-24
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Granted: 1956-05-15
•
Expires: 1972-11-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:29
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/20; C08J5/22; C08J5/2206; C08J5/2275; B; B01; B01D; B01D67/00; B01D67/0002; B01D67/0004; B01D67/00044; H; H01; H01B; H01B3/00; H01B3/18; H01B3/48; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/417; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S264/00; Y10S264/61; Y10S264/62; Y10S264/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A METHOD OF MAKING POROUS FLEXIBLE DIELECTRIC SHEET MATERIAL THE STEPS OF, CREATING A SPRAY FIELD OF INTERIORLY SOLID AND EXTERIORLY MOLTEN DIELECTRIC PARTICLES, CAUSING RELATIVE TRANSVERSELY MOVEMENT BETWEEN SAID SPRAY FIELD AND A BASE, DEPOSITING A LAYER OF SAID PARTICLES ON THE BASE WITH THE EXTERIORLY MOLTEN PORTIONS OF ADJACENT DEPOSITED PARTICLES IN FUSED ENGAGEMENT WITH EACH OTHER AT SPACED POINTS OF THEIR SURFACES AND WITH INTERSTICES REMAINING BETWEEN SAID ADJACENT PARTICLES SO THAT THE DEPOSITED AND FUSED PARTICLES CONSTITUTE SUCH DIELECTRIC SHEET MATERIAL WHICH IS RENDERED POROUS BY THE PRESENCE OF SAID INTERSTICES, AND STRIPPING SAID SHEET MATERIAL FROM SAID BASE.
Claim 2
Dependent Claim
104 words
IN A METHOD OF MAKING POROUS FLEXIBLE DIELECTRIC SHEET MATERIAL THE STEPS OF, CREATING A SPRAY FIELD OF INTERIORLY SOLID AND EXTERIORLY MOLTEN DIELECTRIC PARTICLES, CAUSING RELATIVE TRANSVERSELY MOVEMENT BETWEEN SAID SPRAY FIELD AND A BASE, DEPOSITING A LAYER OF SAID PARTICLES ON THE BASE WITH THE EXTERIORLY MOLTEN PORTIONS OF ADJACENT DEPOSITED PARTICLES IN FUSED ENGAGEMENT WITH EACH OTHER AT SPACED POINTS OF THEIR SURFACES AND WITH INTERSTICES REMAINING BETWEEN SAID ADJACENT PARTICLES SO THAT THE DEPOSITED AND FUSED PARTICLES CONSTITUTE SUCH DIELECTRIC SHEET MATERIAL WHICH IS RENDERED POROUS BY THE PRESENCE OF SAID INTERSTICES, AND STRIPPING SAID SHEET MATERIAL FROM SAID BASE.
References Cited (Backward Citations)
US2437263A
Cited
US2410225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |